| 词条 | Habenaria triplonema |
| 释义 |
| name = Twisted rein orchid | image = | image_caption = | status = | status_system = | display_parents = 4 | genus = Habenaria | parent_authority = Willd. | species = triplonema | authority = Schltr.[1] | synonyms_ref = | synonyms = }} Habenaria triplonema, commonly known as the twisted rein orchid,[2] is a species of orchid that is endemic to northern Australia. It two or three leaves at its base and up to twenty five yellowish, strongly scented flowers. DescriptionHabenaria triplonema is a tuberous, perennial herb with between two and three bright green leaves. The leaves are {{convert|50-90|mm|in|sigfig=1|abbr=on}} long and {{convert|15-20|mm|in|sigfig=1|abbr=on}} wide. Between eight and twenty five fragrant, greenish yellow and white flowers, {{convert|11-14|mm|in|sigfig=1|abbr=on}} long and {{convert|12-16|mm|in|sigfig=1|abbr=on}} wide are borne on a flowering stem {{convert|300-500|mm|in|sigfig=1|abbr=on}} tall. The dorsal sepal is about {{convert|5|mm|in|sigfig=2|abbr=on}} long and {{convert|3|mm|in|sigfig=2|abbr=on}} wide and the lateral sepals are slightly wider and spread apart from each other. The petals are a similar size to the lateral sepals. The labellum has three thread-like lobes, the side lobes {{convert|12-15|mm|in|sigfig=1|abbr=on}} long and often twisted, the middle lobe {{convert|6-8|mm|in|sigfig=1|abbr=on}} long. The nectary spur is {{convert|27-32|mm|in|sigfig=2|abbr=on}} long. Flowering occurs from February to March.[2][3]Taxonomy and namingHabenaria triplonema was first formally described in 1911 by Rudolf Schlechter from a specimen collected from Port Darwin and the description was published in Repertorium specierum novarum regni vegetabilis.[4][5] The specific epithet (triplonema) is derived from the Ancient Greek words triplex meaning "three" and nema meaning "thread".[6]Distribution and habitatThe twisted rein is found in northern parts of the Northern Territory, in the Kimberley region of Western Australia, between Ingham and Rockhampton in Queensland, on some Torres Strait Islands and in New Guinea. It grows in open forest and woodlan, sometimes near swamps and often with tall grasses.[2][3][7][8] References1. ^{{WCSP | 95778 | Habenaria triplonema }} {{Taxonbar|from= Q15488555}}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|page =344}} 3. ^1 {{cite web |title=Species information - Habenaria triplonema |url=http://www.orchidsnewguinea.com/orchid-information/species/speciescode/2192 |publisher=Orchids of New Guinea |accessdate=29 August 2018}} 4. ^{{cite web|title=Homoranthus triplonema|url= https://id.biodiversity.org.au/instance/apni/536790|publisher=APNI|accessdate=29 August 2018}} 5. ^{{cite journal |last1=Schlechter |first1=Rudolf |title=Orchidaceae novae et criticae |journal=Repertorium Specierum Novarum Regni Vegetabilis |date=1911 |volume=9 |page=435 |url= https://www.biodiversitylibrary.org/item/7029#page/442/mode/1up |accessdate=29 August 2018}} 6. ^{{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.|page =798}} 7. ^{{cite web |title=Habenaria triplonema |url=http://eflora.nt.gov.au/factsheet?id=4085 |publisher=Northern Territory Flora Online |accessdate=29 August 2018}} 8. ^{{FloraBase|name=Habenaria triplonema|id=20651}} 8 : Orchids of the Northern Territory|Orchids of Queensland|Orchids of Western Australia|Orchids of New Guinea|Endemic orchids of Australia|Plants described in 1911|Orchideae genera|Habenaria |
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