| 词条 | Epipogium |
| 释义 |
| name = Ghost orchids | image = Epipogium aphyllum flowers.jpg | image_caption = Epipogium aphyllum | regnum = Plantae | unranked_divisio = Angiosperms | unranked_classis = Monocots | ordo = Asparagales | familia = Orchidaceae | subfamilia = Epidendroideae | tribus = Epipogieae | subtribus = Epipogiinae | genus = Epipogium | genus_authority = J.G.Gmel. ex Borkh. | synonyms_ref = [1] | synonyms =
}} Epipogium, commonly known as ghost orchids[2] or as 虎舌兰属 (hu she lan shu),[3] is a genus of four species of terrestrial leafless orchids in the family Orchidaceae. Orchids in this genus have a fleshy, underground rhizome and a fleshy, hollow flowering stem with small, pale coloured, drooping, short-lived flowers with narrow sepals and petals. They are native to a region extending from tropical Africa to Europe, temperate and tropical Asia, Australia and some Pacific Islands. DescriptionOrchids in the genus Epipogium are leafless, terrestrial, mycotrophic herbs. They have a fleshy underground rhizome and the flowering stem is the only part above ground level. The flowering stem is pale-coloured, hollow, fleshy and bears a few to many drooping flowers and papery bracts. The flowers are yellowish white with violet or reddish brown markings and are short-lived. The sepals and petals are narrow and similar in size and shape to each other. The labellum is relatively broad and dished with a prominent spur at its base.[2][3][4][5] Taxonomy and namingThe genus Epipogium was first formally described in 1792 by Moritz Balthasar Borkhausen after an unpublished description by Johann Georg Gmelin and the description was published in Borkhausen's book Tentamen dispositionis Plantarum Germaniae seminiferarum.[6][7] The name Epipogium is derived from the Ancient Greek prefix epi- meaning "upon", "on" or "over"[8]{{rp|304}} and pogon meaning "beard",[8]{{rp|392}} apparently referring to the labellum.[4] List of speciesThe following is a list of species of epipogium recognised by the World Checklist of Selected Plant Families as at October 2018:[1]
Distribution and habitatOrchids in the genus Epipogon grow in a range of habitats but are most common in rainforest, especially where there is rotting wood. They are found in Europe, Africa, India, Japan, Malaysia, Indonesia, New Guinea, the Philippines, New Guinea, Australia, the Solomon Islands, Vanuatu and east to Fiji. One species occurs in Australia and three are found in China. References1. ^1 {{WCSP | 70441 | Epipogium}} 2. ^1 {{cite book|last1=Jones|first1=David L.|title=A complete guide to native orchids of Australia including the island territories|date=2006|publisher=New Holland|location=Frenchs Forest, N.S.W.|isbn=1877069124|page =368}} 3. ^1 {{cite web |last1=Chen |first1=Xinqi |last2=Gale |first2=Stephen W. |last3=Cribb|first3=Phillip J.|title=Epipogium |url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=111863|publisher=Flora of China |accessdate=8 November 2018}} 4. ^1 {{cite web |title=Epipogium |url=http://keys.trin.org.au:8080/key-server/data/08090a09-0d0e-410b-860c-020705070e0e/media/Html/genera/Epipogium.htm |publisher=Trin keys |accessdate=8 November 2018}} 5. ^{{cite web |title=Genus Epipogium |url=http://www.orchidsnewguinea.com/orchid-information/genus/genuscode/142 |publisher=Orchids of New Guinea}} 6. ^{{cite web|title=Epipogium|url= https://id.biodiversity.org.au/instance/apni/537166|publisher=APNI|accessdate=8 November 2018}} 7. ^{{cite book |last1=Borkhausen |first1=Moritz Balthasar |title=Tentamen dispositionis Plantarum Germaniae seminiferarum |date=1792 |location=Darmstadt |page=139 |url=https://babel.hathitrust.org/cgi/pt?id=hvd.32044106357411;view=1up;seq=147 |accessdate=8 November 2018}} 8. ^1 {{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.}} External links
3 : Epipogiinae|Epidendroideae genera|Myco-heterotrophic orchids |
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