| 词条 | Thrixspermum platystachys |
| 释义 |
| name = Starry hairseed | image = | image_caption = | regnum = Plantae | unranked_divisio = Angiosperms | unranked_classis = Monocots | ordo = Asparagales | familia = Orchidaceae | subfamilia = Epidendroideae | genus = Thrixspermum | species = T. platystachys | binomial = Thrixspermum platystachys | binomial_authority = (F.M.Bailey) Schltr.[1] |synonyms_ref =[1] |synonyms =
}} Thrixspermum platystachys, commonly known as the starry hairseed,[2] is an epiphytic or lithophytic orchid that forms untidy clumps with many tangled, wiry roots, up to ten stiff, leathery leaves and many star-shaped, cream-coloured flowers with an orange and white labellum. This orchid occurs from Papuasia to northern Queensland. DescriptionThrixspermum platystachys is an epiphytic or lithophytic herb that forms untidy, pendulous clumps with many thin wiry roots and flattened stems {{convert|100-250|mm|in|sigfig=2}} long. It has between five and ten stiff, leathery leaves {{convert|80-150|mm|in|sigfig=2}} long and {{convert|30-40|mm|in|sigfig=2}} wide in two ranks. The flowers are fragrant, star-shaped, cream-coloured, {{convert|30-40|mm|in|sigfig=2}} long and {{convert|40-60|mm|in|sigfig=2}} wide arranged on a flattened, wiry flowering stem {{convert|100-250|mm|in|sigfig=2}} long. The sepals are {{convert|30-35|mm|in|sigfig=2}} long and about {{convert|3|mm|in|sigfig=2}} wide, the petals shorter and narrower. The labellum is orange and white, about {{convert|15|mm|in|sigfig=2}} long and {{convert|9|mm|in|sigfig=2}} wide with three lobes. The side lobes are about erect, about {{convert|3|mm|in|sigfig=2}} long and {{convert|6|mm|in|sigfig=2}} wide and the middle lobe is short and fleshy with a spur about {{convert|4|mm|in|sigfig=2}} long. Flowering occurs sporadically.[2][3][4]Taxonomy and namingThe starry hairseed was first formally described in 1886 by Frederick Bailey who gave it the name Sarcochilus platystachys and published the description in a supplement to A Synopsis of the Queensland Flora from a specimen collected by Thomas Bancroft near the Johnstone River.[5][6][7] In 1911, Rudolf Schlechter changed the name to Thrixspermum platystachys.[8] The specific epithet (platystachys) is derived from the Ancient Greek words platys meaning, "broad", "wide", "flat" or "level"[9]{{rp|167}} and stachys meaning "ear of grain" or "spike".[9]{{rp|746}} Distribution and habitatThrixspermum platystachys grows on rainforest trees and on single trees near the coast in exposed situations. It occurs in New Guinea, the Solomon Islands, the Bismarck Archipelago and in Queensland on the Cape York Peninsula and as far south as Townsville.[1][2][4]{{Taxonbar|from=Q15468241}}References1. ^1 2 {{WCSP |204166 |Thrixspermum platystachys}} 2. ^1 2 {{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|pages=456–457}} 3. ^{{cite web |title=Thrixspermum platystachys |url=http://keys.trin.org.au:8080/key-server/data/08090a09-0d0e-410b-860c-020705070e0e/media/Html/Thrixspermum_platystachys.htm |publisher=Trin keys: Australian Tropical Rainforest Orchids |accessdate=8 January 2019}} 4. ^1 {{cite web |title=Thrixspermum platystachys |url=http://www.orchidsnewguinea.com/orchid-information/species/speciescode/1059 |publisher=Orchids of New Guinea |accessdate=8 January 2019}} 5. ^{{cite web|title=Sarcochilus platystachys|url= https://id.biodiversity.org.au/instance/apni/469439|publisher=APNI|accessdate=8 January 2019}} 6. ^{{cite book |last1=Bailey |first1=Frederick Manson |title=A Synopsis of the Queensland Flora: First Supplement |date=1886 |publisher=Government Printer |location=Brisbane |pages=56–57 |url=https://babel.hathitrust.org/cgi/pt?id=hvd.32044106366131;view=1up;seq=66 |accessdate=8 January 2019}} 7. ^{{cite web |title=Bancroft, Thomas Lane (1860-1933 ) |url=http://www.anbg.gov.au/biography/bancroft-thomas-lane.html |publisher=Australian National Herbarium |accessdate=8 January 2019}} 8. ^{{cite web|title=Thrixspermum platystachys|url= https://id.biodiversity.org.au/instance/apni/490968|publisher=APNI|accessdate=8 January 2019}} 9. ^1 {{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.}} 4 : Thrixspermum|Orchids of Australia|Orchids of New Guinea|Plants described in 1886 |
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