The Garden is open 9.00am - 5.00pm daily except for Christmas day and Good Friday. Rhododendron maximum, the most widespread rhododendron of the Appalachian Mountains, is the state flower of the US state of West Virginia, and is in the Flag of West Virginia. (Fayaz). R. ponticum is the state flower of Indian-administered Kashmir and Pakistan-controlled Kashmir. Their work was more supportive of Sleumer's original system than the later modifications introduced by Chamberlain et al... 201-3, Peter Adams. Reference page. DOI: 10.3767/000651908X608070 Naturalis Reference page. شما میتوانید با ایجاد آن کمک کنید. Public domain Public domain false false: I, the copyright holder of this work, release this work into the public domain. Rhododendron section Vireya (vireyas) is a tropical group of Rhododendron species, numbering about 300 in all. Similarly the single species in monotypic subgenus Mumeazalea (Rhododendron semibarbatum) was placed in the new section Tsutsusi, subgenus Azaleastrum.  In 1986 Philipson & Philipson raised two sections of subgenus Aleastrum (Mumeazalea, Candidastrum) to subgenera, while reducing genus Therorhodion to a subgenus of Rhododendron. (2005) Table 1.. , In Daphne Du Maurier's novel Rebecca, the character of Rebecca is associated with "blood red" rhododendrons throughout the novel, perhaps due to the toxic roots of the plant mirroring the poisonous character of Rebecca. Half hardy 0.6 x 0.6m. Rhododendrons have fibrous roots and prefer well-drained soils high in organic material. Rhododendron malayanum in Kew Science Plants of the World online.  Vireyas are native to southeastern Asia and range from Thailand to Australia. As new species of what are now considered Rhododendron were discovered, if they seemed to differ significantly from the type species they were assigned to separate genera. Published on the internet. Major diseases include Phytophthora root rot, stem and twig fungal dieback; Ohio State University Extension provides information on maintaining health of rhododendrons. 10.1071/SB05019, Chris Callard. Genus of flowering plants in the heath family Ericaceae, International Code of Botanical Nomenclature, List of Lepidoptera that feed on rhododendrons, List of Award of Garden Merit rhododendrons, List of Sections in Subgenus Rhododendron, "Sorting out the Genus Rhododendron: A Taxonomic Overview of this Large Complex of Species", "GROPING FOR GROUPING: Rhododendron Taxonomy", "The History of Vireya Rhododendron Culture", "Economic history: Farm-gardening and market gardening", "Infrageneric and Sectional Relationships in the Genus Rhododendron (Ericaceae) Inferred from ITS Sequence Data", "Excerpts from and comments on a paper published by: Loretta Goetsch, Andrew Eckert and Benjamin Hall, University of Washington", "Concerning the Origin and Distribution of Rhododendrons", "Dramatic rescue of couple trapped in rhododendron forest", "Maintaining Healthy Rhododendrons and Azaleas in the Landscape", "India has a 'wine country'? Container: 3.3l ? Retrieved from "https://species.wikimedia.org/w/index.php?title=Rhododendron_subsect._Discovireya&oldid=8029690"  Subgenera Rhododendron and Hymenanthes, together with section Pentanthera of subgenus Pentanthera are also represented to a lesser degree in the Mountainous areas of North America and Western Eurasia. Rhododendron arboreum is also the state tree of the state of Uttarakhand, India. Exbury hybrids – derived from the Knap Hill hybrids, developed by, Ghent (Gandavense) hybrids – Belgian raised, Knap Hill hybrids – developed by Anthony Waterer at the, Mollis hybrids – Dutch and Belgian raised, New Zealand Ilam hybrids – derived from Knap Hill/Exbury hybrids, Rustica Flore Pleno hybrids – sweet-scented, double-flowered, Gable hybrids – raised by Joseph B. Gable in, Glenn Dale hybrids – US raised complex hybrids, Indian (Indica) hybrids – mostly of Belgian origin, Kyushu hybrids – very hardy Japanese azaleas (to −30 °C), Oldhamii hybrids – dwarf hybrids raised at, Satsuki hybrids – Japanese raised, originally for, Vuyk (Vuykiana) hybrids – raised in the Netherlands, Azaleodendrons – semi-evergreen hybrids between deciduous azaleas and rhododendrons, This page was last edited on 13 December 2020, at 21:10. Vireya ندارد. Accompanied children are admitted free of charge. , They have frequently been divided based on the presence or absence of scales on the abaxial (lower) leaf surface (lepidote or elepidote). QTY: PAGE 1 ALL . Rhododendron is also the provincial flower of Jiangxi, China and the state flower of Nagaland, the 16th state of the Indian Union.  2020. In areas with poorly drained or alkaline soils, rhododendrons are often grown in raised beds using media such as composted pine bark. Maximovicz used flower bud position and its relationship with leaf buds to create eight "Sections". Vireya rhododendrons are too lovely to lose. Thus the term 'Vireya' has been used to refer to Section Vireya (Sleumer), Subgenus Vireya, Section Schistanthe, or the majority of the Malesian tropical rhododendrons. Hall, B.D., L.A. Craven & L.A. Goetsch. Meanwhile, other botanists such as Salisbury (1796) and Tate (1831) began to question the distinction between Azalea and Rhododendron, and finally in 1836, Azalea was incorporated into Rhododendron and the genus divided into eight sections. Now Vireya rhododendrons are becoming available throughout the year as more nurseries and gardeners are becoming aware of them. Also, I sometimes notice some of the green leaves partially go brown. Chief amongst these were Maximovicz's Rhododendreae Asiae Orientali and Planchon.  Rhododendron is extremely toxic to horses, with some animals dying within a few hours of ingesting the plant, although most horses tend to avoid it if they have access to good forage. Vireya is the largest of the three sections constituting subgenus Rhododendron, and includes about a third of all Rhododendron species. Accessed May 14 2020. Shown here is the traditional classification, with species number after Chamberlain (1996), but this scheme is undergoing constant revision. Consequently, the taxonomy has been historically complex.. This is one … The species are organized by subgenus, section, subsection and series. Feb 21, 2016 - This Pin was discovered by Tony Hare. Rhododendron subsp. They may be either evergreen or deciduous. , A number of closely related genera had been included together with Rhododendron in a former tribe, Rhodoreae. The discontinued subgenera are Pentanthera, Tsutsusi, Candidastrum and Mumeazalea, while a new subgenus was created by elevating subgenus Azaleastrum section Choniastrum to subgenus rank. vireya, inflorescence, foliage Wikipedia • Commons • Wikibooks (horticulture) • Wikibooks (subject) • Wikispecies • Fruit and seed clock Profile for Rhododendron subsp. That system continued up to modern times in Davidian's four volume The Rhododendron Species.. Subgenus Rhododendron L. (3 sekce, 462 druhů: v roce 2008 rozšířeno na pět sekcí) ( Discovereya (Sleumer) Argent, zvednutý z Vireya) Pogonathum Aitch. Phylogenetic relationships of Rhododendron section Vireya (Ericaceae) inferred from the ITS nrDNA region. Rhododendron section Vireya (vireyas) is a tropical group of Rhododendron species, numbering about 300 in all. Species in this genus may be part of the heath complex in oak-heath forests in eastern North America. International Plant Names Index. Os rododendros  son arbustos pertencentes ao xénero Rhododendron (do grego: rhodos, rosa; dendron, árbore). For instance Rhodora (Linnaeus 1763) for Rhododendron canadense, Vireya (Blume 1826) and Hymenanthes (Blume 1826) for Rhododendron metternichii, now R. degronianum. The taxonomy of subsection Pseudovireya – two distinctly different taxa within subsection Pseudovireya and their relation to the rooting of section Vireya within subgenus Rhododendron. Mar 25, 2016 - A comprehensive information resource covering all aspects of Vireya Rhododendron culture, including cultivation advice, background history, classification & distribution, together with complete listings of named hybrids and Photogallery containing over 900 images. A comprehensive information resource covering all aspects of Vireya Rhododendron culture, including cultivation advice, background history, classification & distribution, together with complete listings of named hybrids and Photogallery containing over 900 images. Rhododendron (od antičkog grčkog ῥόδον rhódon „ruža“ i δένδρον déndron „drvo“) je rod sa 1.024 vrsta drvenastih bilji iz Ericaceae familije, koje su bilo zimzelene ili listopadne, i nalaze se uglavnom u Aziji, mada su takođe široko raširene duž južnih visoravni Apalačijanskih planina u Severnoj Americi. This structure largely survived till recently (2004), following which the development of molecular phylogeny led to major re-examinations of traditional morphological classifications, although other authors such as Candolle, who described six sections, used slightly different numeration.  Azaleas are frequently used around foundations and occasionally as hedges, and many larger-leafed rhododendrons lend themselves well to more informal plantings and woodland gardens, or as specimen plants. Of the three minor subgenera, all in C, two were discontinued. In Argent's (2006) treatment of Vireya as a subgenus, he included seven sections, with Euvireya consisting of five subsections, but this is not supported by phylogenetic analysis. The Board of Trustees of the Royal Botanic Gardens, Kew. The small polyphyletic subgenera Pentanthera and Azaleastrum were divided between two clades.  It was not until 1893 that Koehne appreciated the significance of scaling and hence the separation of lepidote and elepidote species. Royal Horticultural Society. Flickr is almost certainly the best online photo management and sharing application in the world. A number of insects either target rhododendrons or will opportunistically attack them. For a comparison of the Sleumer and Chamberlain systems, see Goetsch et al. Schistanthe" The following 3 files are in this category, out of 3 total. In some areas, larger rhododendrons can be pruned to encourage more tree-like form, with some species such as Rhododendron arboreum and R. falconeri eventually growing to 10–15 m or more tall. In all, Hymenanthes increased from one to two sections, while Azaleastrum, by losing one section and gaining two increased from two to three sections. The larger subgenera are further subdivided into sections and subsections Some subgenera contain only a single section, and some sections only a single subsection. See more ideas about Types of flowers, Rhododendron, Bloom. Of the remaining three sections, monotypic Viscidula was discontinued by moving Rhododendron nipponicum to Tsutsusi (C), while Rhodora (2 species) was itself polyphyletic and was broken up by moving Rhododendron canadense to section Pentanthera (B) and Rhododendron vaseyi to section Sciadorhodion, which then became a new section of subgenus Azaleastrum (C). Autumn colours shown by the deciduous companion plants are spectacular during April and May. Jul 16, 2018 - Vireya rhododendrons grow well in warm climates, and often bloom multiple times a year.  In 1987 Spethmann, adding phytochemical features proposed a system with fifteen subgenera grouped into three 'chorus' subgenera. have found that the root of the plant is able to reduce the activity of NF-κB in rats. The History of Vireya Rhododendron Culture.  Malesian species are found in all subsections, while species from other areas appear only in Euvvireya, Malayovireya and Pseudovireya. Numbering over 300 species, vireyas can be found growing across much of S.E. At that time he considered the then known six species of Azalea that he had described earlier in 1735 in his Systema Naturae as a separate genus.. Rhododendron is the largest genus in the family Ericaceae, with as many as 1,024 species, (though estimates vary from 850-1000) and is morphologically diverse.  The centres of diversity are in the Himalayas and Malaysia, with the greatest species diversity in the Sino-Himalayan region, Southwest China and northern Burma, from Himachal Pradesh, Uttarakhand, Nepal, Sikkim, Nagaland to northwestern Yunnan and western Sichuan and southeastern Tibet. Caring for my Vireya . Vireya Rhododendrons. This genus has been progressively subdivided into a hierarchy of subgenus, section, subsection, and species.  The leaves are spirally arranged; leaf size can range from 1–2 cm (0.4–0.8 in) to over 50 cm (20 in), exceptionally 100 cm (40 in) in R. sinogrande. Goetsch (2011) gives the number of species as 320, and the total taxa including subspecies, forms and varieties as 380. El rododendro o azalea (Rhododendron, del griego: «ῥόδον» rhodon, rosa y «δένδρον» dendron, árbol) es un género de plantas angiospermas perteneciente a la familia Ericaceae, que contiene más de 1000 especies conocidas.Dado que es un género muy extenso, las plantas se organizan en subgéneros, secciones, subsecciones y series. Čeština; Deutsch; Français; Italiano; Nederlands; Polski; Português; Русский , Rhododendron species have long been used in traditional medicine.  These consist of four large and four small subgenera. Vireya , about 300 species) are usually included as a section in this subgenus, but sometimes split off as a ninth subgenus. It is a shrub that grows to 3 m in height, with leaves that are broadly elliptic or sub-ovate-elliptic, 40–95 × 25–53 mm in size. Individual hybrids of rhododendrons have been grafted on to a rootstock on a single rhododendron plant that was found growing in a chalk quarry. Vireya rhododendron ‘Sweet Vanilla’ with ‘Golden Charm’ in the background. Mar 3, 2019 - A comprehensive information resource covering all aspects of Vireya Rhododendron culture, including cultivation advice, background history, classification & distribution, together with complete listings of named hybrids and Photogallery containing over 900 images. Rhododendron in botanical garden Pruhonice-Czech republic, Annotated Checklist of the Flowering Plants of Nepal: Rhododendron, The Quarterly Bulletin of the American Rhododendron Society 1947–1981, Journal of the American Rhododendron Society (JARS) 1982–, The Rhododendron, Camellia & Magnolia Group of the Royal Horticultural Society, Rhododendron Species Foundation and Botanical Garden, Royal Botanic Garden Edinburgh: Rhododendrons at the four Gardens, National Rhododendron Gardens Melbourne Australia, https://en.wikipedia.org/w/index.php?title=Rhododendron&oldid=994047924, Plants used in traditional Chinese medicine, Articles containing Ancient Greek (to 1453)-language text, Short description is different from Wikidata, Articles with unsourced statements from June 2020, Articles with unsourced statements from May 2016, Creative Commons Attribution-ShareAlike License. , Some species of rhododendron are poisonous to grazing animals because of a toxin called grayanotoxin in their pollen and nectar. Argent, G. "Rhododendrons of subgenus Vireya". The remaining four subgenera contain very few species. Following publication of the studies of Goetsch et al. Excellent for small gardens, for container work or mass planting. The herbal tea called Labrador tea (not a true tea) is made from one of three closely related species: In the UK the forerunner of the Rhododendron, Camellia and Magnolia Group (RCMG), The Rhododendron Society was founded in 1916. Rhododendrons have not been found in South America or Africa. Sometimes an attached branch that has drooped to the ground will root in damp mulch, and the resulting rooted plant then can be cut off the parent rhododendron. Jasper Fforde a British author, also uses rhododendron as a motif throughout many of his published books. Australian Systematic Botany 19, 329–342. Languages. Classification. Por ejemplo Rhodora (Linnaeus 1763) para Rhododendron canadense, Vireya ( Blume 1826) y Hymenanthes (Blume 1826) para Rhododendron metternichii, ahora R. degronianum. Larger commercial growers often ship long distances; in the United States, most of them are on the west coast (Oregon, Washington state and California). Evergreen rhododendrons - large group of evergreen shrubs that vary greatly in size. Extensive information on rhododendron species: the history of their discovery, botanical details, toxicity, classification, cultural conditions, care for common problems, and suggestions for companion plants by Steve Henning. Pink Rhododendron (Rhododendron campanulatum) is the State Flower of Himachal Pradesh, India. Most rhododendron flowers are bell-shaped and have 10 stamens. ویکیپدیا هنوز مقالهای درباره en:Rhododendron sect. Many have unusual types of flowers. Later, it was recognized that honey resulting from these plants has a slightly hallucinogenic and laxative effect. Found in that area an outstanding specimen Rhododendron loranthiflorum has been named after the New York guru Sri Chinmoy.. Hall. 1: 72, 91–97, List of Sections in Subgenus Rhododendron, Gillian K. Brown, Lyn A. Craven, Frank Udovicic and Pauline Y. Ladiges. The Species of Rhododendron referred to this series concept as the Balfourian system. , The 300 tropical species within the Vireya section of subgenus Rhododendron occupy the Malay archipelago from their presumed Southeast Asian origin to Northern Australia, with 55 known species in Borneo and 164 in New Guinea. Consequently, the taxonomy has been historically complex. A new calcium-tolerant stock of rhododendrons (trademarked as 'Inkarho') has been exhibited at the RHS Chelsea Flower Show in London (2011). Vireya است. Subgenus Rhododendron L.: small leaf or lepidotes (with scales on the underside of their leaves); several hundred species, type: Rhododendron ferrugineum. Rhododendrons are often valued in landscaping for their structure, size, flowers, and the fact that many of them are evergreen.  Mulching and careful watering are important, especially before the plant is established. Discover (and save!)  Chamberlain and Rae moved the monotypic section Tsusiopsis together with the monotypic genus Tsusiophyllum into section Tsutsusi, while Kron & Judd reduced genus Ledum to a subsection of section Rhododendron. Terminology from the Sleumer (1949) system is frequently found in older literature, with five subgenera and is as follows; In the later traditional classification, attributed to Chamberlain (1996), and as used by horticulturalists and the American Rhododendron Society, Rhododendron has eight subgenera based on morphology, namely the presence of scales (lepidote), deciduousness of leaves, and the floral and vegetative branching patterns, after Sleumer (1980). Rhododendron section Vireya (vireyas) is a tropical group of Rhododendron species, numbering about 300 in all. Backfill hole with a mix of your soil, Kings Compost and Sheep Pellets, leaving space to plant your vireya. Major speciation accompanied the dispersal of Vireya Rhododendrons (Ericaceae, Rhododendron sect. (2008) shown in (parenthetical italics). For a comparison of the Sleumer and Chamberlain schemata see Table 1 of Goetsch (2005). The Asian mainland species represented by Pseudovireya appear as a sister group to the other six subsections, while the Malesian species within Pseudovireya also formed an outgroup, resulting in three major clades. Mulch with Living Earth More then Mulch to suppress weeds and reduce watering needs. If Vireya rhododendrons have started blooming, it's winter in the subtropics. giganteum, reported to 30 m (100 ft) tall.  Animal studies and in vitro research has identified possible anti-inflammatory and hepatoprotective activities which may be due to the antioxidant effects of flavonoids or other phenolic compounds and saponins the plant contains. El rododendru o azalea (Rhododendron, del griegu: «ῥόδον» rhodon, rosa y «δένδρον» dendron, árbol) ye un xéneru de plantes anxospermes perteneciente a la familia Ericaceae, que contién más de 1000 especies conocíes.Cuidao que ye un xéneru bien estensu, les plantes entamar en subxéneros, seiciones, subseiciones y series. Most have been bred for their flowers, but a few are of garden interest because of ornamental leaves and some for ornamental bark or stems. , The era of molecular analysis rather than descriptive features can be dated to the work of Kurashige (1988) and Kron (1997) who used matK sequencing. Here is a listing of our Virayas. Amongst the Zomi tribes in India and Myanmar, "Rhododendrons" called "Ngeisok" is used in a poetic manner to signify a lady. 杜鵑花在臺灣主要分佈在北部，陽明山國家公園內多為日治時期引入的平戶杜鵑、皋月杜鵑、西洋杜鵑等品種 。 目前宜蘭等縣市也廣植杜鵑花。 台灣南部的大武杜鵑及丁香杜鵑為原生種。 及分布全島生長於樹上的著生杜鵑，另有原生種玉山杜鵑。. Goetsch, L.A., Craven, L.A. and Hall B.D. He brought back a… Rhododendron malayanum. , Rhododendron bud blast, a fungal condition that causes buds to turn brown and dry, and not open, is caused by the fungus Pycnostysanus azaleae, which may be brought to the plant by the rhododendron leafhopper, Graphocephala fennahi.(p562). Subgenus Pentanthera (deciduous azaleas) with its four sections was dismembered by eliminating two sections and redistributing the other two between the existing subgenera in clades B (Hymenanthes) and C (Azaleastrum), although the name was retained in section Pentanthera (14 species) which was moved to subgenus Hymenanthes. Date: 12 February 2008: Source: Own work: Author: Ben Cody: Licensing . Genus Menziesa (9 species) was also added to section Sciadorhodion. With long tubular flowers, as the name suggests, the species does differ however this is a pink flowering type with white flared flowers. Fertiliser Feed with Kings Slow Release Rhododendron and Camellia Food. 2006. Records of the Rhododendron Society of America reside at the Albert and Shirley Small Special Collections Library at the University of Virginia. (2005) and by Craven et al. , The rhododendron is the national flower of Nepal, where the flower is considered edible and enjoyed for its sour taste. The love affair here with the somewhat exotic genus of vireya rhododendrons can be traced back to Felix Jury’s intrepid plant hunting trip to New Guinea in 1957.  Care. In addition, rhododendrons can easily be suffocated by other plants or evergreen trees that grow up around them and block sunlight. Known for their brilliant colour, vireyas are the star of the rhododendron family, often flowering all year round.  In 2011 the two species of Diplarche were also added to Rhododendron, incertae sedis.. Both species and hybrid rhododendrons (including azaleas) are used extensively as ornamental plants in landscaping in many parts of the world, including both temperate and subtemperate regions. By contrast subgenera Azaleastrum and Pentanthera were polyphyletic, while R. camtschaticum appeared as a sister to all other rhododendrons. Rhododendron je nacionalni cvet Nepala. (2005) this scheme was simplified, based on the discovery of three major clades (A, B, C) as follows. Vireya rhododendrons. , In the language of flowers, the Rhododendron symbolizes danger and to beware..  The largest of these is subgenus Rhododendron, containing nearly half of all known species and all of the lepidote species. With only a couple of exceptions, we have at least one of all of these growing in our gardens. The tropical rhododendrons (sect. É un xénero de anxiospermas pertencente á familia Ericaceae, que contén máis de 1000 especies, algunhas das cales son coñecidas comunmente como azaleas.Axéitanse moi ben ao clima galego, por iso son moi comúns na xardinaxe do país. Estos subgéneros se dividen en grupos: Rhododendron Vireya Tropical Glow. Rhododendron sección Tsutsusi (deletreada Tsutsuji en algunos textos antiguos) era un subgénero del género Rhododendron, comúnmente conocido como las azaleas de hoja perenne. R. ponticum is difficult to eradicate, as its roots can make new shoots. griffithianum. 2011. Starr 020815-0030 Rhododendron sp..jpg 1,600 × 1,200; 421 KB Rhododendrons can be propagated by air layering or stem cuttings. These have been progressively incorporated into Rhododendron. Revisions by Goetsch et al.  The suspect rhododendrons are Rhododendron ponticum and Rhododendron luteum (formerly Azalea pontica), both found in northern Asia Minor. Evolution, Adaptive Radiation and Vireya Rhododendrons - Part I. JARS SPRING 2013 pp. vireya (Vireya Rhododendron) Vireya are found throughout the Malesian Archipelago.    En 2005 se redujo a una sección del subgénero Azaleastrum. Rhopalostylis sapida (Nikau) This native palm is truly iconic. It is admired for its distinctive flavor and color.. Taxon 60 (4): 1015–1028. These scales, unique to subgenus Rhododendron, are modified hairs consisting of a polygonal scale attached by a stalk. The nineteenth-century American poet and essayist Ralph Waldo Emerson in 1834 wrote a poem titled "The Rhodora, On Being Asked, Whence Is the Flower", In Joyce's Ulysses, rhododendrons play an important role in Leopold and Molly's early courtship: Molly remembers them in her soliloquy – "the sun shines for you he said the day we were lying among the rhododendrons on Howth head in the grey tweed suit and his straw hat the day I got him to propose to me". Information on rhododendrons at the Ericaceae web pages of Dr. Kron at Wake Forest University. Rhododendron tuba. For a fuller story on the Jury vireyas, go to The Jury Vireya Legacy, written for and published by the RHS in 2012.  Other examples include the PJM hybrids, formed from a cross between Rhododendron carolinianum and R. dauricum, and named after Peter J. Mezitt of Weston Nurseries, Massachusetts. Other significant areas of diversity are in the mountains of Korea, Japan and Taiwan. The rootstock is able to grow in calcium-rich soil up to a pH of 7.5. 1998 onwards, L.A. Craven, F. Danet, J.F. The major finding of Goetsch and colleagues was that all species examined (except R. camtschaticum, subgenus Therorhodion) formed three major clades which they labelled A, B and C, with the subgenera Rhododendron and Hymenanthes nested within clades A and B as monophyletic groups respectively. On the other hand, azaleas (a type of rhododendron) represent the second Mrs. De Winter. Media in category "Rhododendron sect. Asia, principally in New Guinea, Borneo, Sulawesi, Sumatra and the … Native to mountainous jungles of the Malay-Indonesian archipelago, they have a dark history and have been almost lost to plant lovers since World War I. Vireya Listing. proposed there be only two subsections of Vireya, corresponding to the core species, Euvireya and the much smaller Malayovireya , while the other two groups formed out of Pseudovireya be raised to section rank, keeping the original name Pseudovireya for the mainland species, and using Argent's name, Discovireya for the Malesian species. Information+photos of hybrids and species.  It is an introduced species, spreading in woodland areas and replacing the natural understory. Rhododendron ponticum has become invasive in Ireland and the United Kingdom. your own Pins on Pinterest This website is dedicated to presenting the plants of Rhododendron subgenus Vireya - more commonly known as Vireya Rhododendrons, or simply Vireyas. Rhododendron /ˌroʊdəˈdɛndrən/ (from Ancient Greek ῥόδον rhódon "rose" and δένδρον déndron "tree") is a genus of 1,024 species of woody plants in the heath family (Ericaceae), either evergreen or deciduous, and found mainly in Asia, although it is also widespread throughout lowland and montane forests in the Pacific Northwest, California, the Northeastern United States, and especially in the highlands of the Appalachian Mountains of North America.  These studies, for instance that of Hall (2006), suggested a very different approach. The formal description (Craven 2008) is: Scales sessile or sometimes stalked, lobed to deeply incised or sometimes entire; corolla campanulate, trumpet-like, salver-shaped, tubular or funnel-shaped; stamens (5–)10(–16), exserted to included, staminal filaments glabrous or hairy from the base; capsule valves twisting after dehiscence; seeds with a distinct tail at each end. :540–541 They can self-propagate by sending up shoots from the roots. Yes, it does! Xenophon described the odd behaviour of Greek soldiers after having consumed honey in a village surrounded by Rhododendron ponticum during the march of the Ten Thousand in 401 BCE. Many hybrids have been produced, some are very fragrant, and most are ideal for container growing on a balcony, on (or under) a tree, or in a shadehouse.… Have not been found in all 320, and tropical species such as Vireya! By Craven et al of Grey it 's winter in the mountains of Korea, Japan Taiwan! Pink Rhododendron ( do grego: rhodos, rosa ; dendron, árbore ) hence separation... ( parenthetical italics ) blooming, it 's vireya rhododendron wiki in the world roots can make New shoots shrubs from... Are evergreen Mumeazalea ( Rhododendron albiflorum ) was placed in the nineteenth century so did a better of... Of flowers, Rhododendron, they are distinguished from `` true '' rhododendrons by Marc,! 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