| 词条 | Plectorrhiza brevilabris |
| 释义 |
| name= Small tangle orchid | genus = Plectorrhiza | species = brevilabris | image = Plectorrhiza brevilabris.jpg | image_caption = Plectorrhiza brevilabris on Cape York Peninsula |authority=(F.Muell.) Dockrill[1] |synonyms_ref=[1] |synonyms=
}} Plectorrhiza brevilabris, commonly known as the small tangle orchid,[2] is an epiphytic or lithophytic orchid endemic to Australia. It has many coarse, wiry roots, between three and nine bright green leaves and up to twenty green, star-shaped flowers with reddish brown markings and a white patch on the labellum. It grows in rainforest on trees, shrubs and occasionally on rocks and occurs on the near coastal ranges of eastern Queensland. DescriptionPlectorrhiza brevilabris is an epiphytic or lithophytic herb with a single main flattened stem, {{cvt|100-500|mm|in|sigfig=2}} long with many coarse, wiry roots near its base. There are between three and nine dark green, leathery, narrow egg-shaped to elliptic leaves {{cvt|50-80|mm|in|sigfig=2}} long and {{cvt|10-15|mm|in|sigfig=2}} wide. Between three and twenty green flowers with reddish brown markings, {{cvt|12-15|mm|in|sigfig=2}} long and {{cvt|8-10|mm|in|sigfig=2}} wide are borne on an arching flowering stem {{cvt|60-180|mm|in|sigfig=2}} long. The sepals and petals are free from each other and spread widely apart. The dorsal sepal is {{cvt|3-4|mm|in|sigfig=2}} long, about {{cvt|2|mm|in|sigfig=2}} wide and the lateral sepals are {{cvt|5-7|mm|in|sigfig=2}} long and about {{cvt|1|mm|in|sigfig=2}} wide. The petals are {{cvt|4-5|mm|in|sigfig=2}} long, about {{cvt|2|mm|in|sigfig=2}} wide. The labellum is green with a white patch, {{cvt|6-7|mm|in|sigfig=2}} long, about {{cvt|3|mm|in|sigfig=2}} wide with three lobes. The side lobes curve outwards and the middle lobe has a white, fleshy spur about {{cvt|7|mm|in|sigfig=2}} long that curves downwards. Flowering occurs from November to February.[2][3]Taxonomy and namingThe small tangle orchid was first formally described in 1880 by Ferdinand von Mueller who gave it the name Cleisostoma brevilabre and published the description in Fragmenta phytographiae Australiae.[4][5] In 1967 Alick Dockrill changed the name to Plectorrhiza brevilabris.[6] The specific epithet (brevilabre) is derived from the Latin words brevis meaning "short"[7]{{rp|708}} and labrum meaning "lip".[7]{{rp|487}} Distribution and habitatPlectorrhiza brevilabris grows in rainforest on small trees, shrubs and the thinner branches of larger trees. It is found in the McIlwraith Range and in near coastal ranges and tableland south to the Noosa River.[2][3]References1. ^1 {{WCSP |157855 |Plectorrhiza brevilabris}} {{Taxonbar|from=Q15486746}}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=441}} 3. ^1 {{cite web |title=Plectorrhiza brevilabris |url=http://keys.trin.org.au:8080/key-server/data/08090a09-0d0e-410b-860c-020705070e0e/media/Html/Plectorrhiza_brevilabris.htm |publisher=Trin keys: Australian Tropical Rainforest Orchids |accessdate=28 December 2018}} 4. ^{{cite web|title=Cleisostoma brevilabris|url= https://id.biodiversity.org.au/instance/apni/482285|publisher=APNI|accessdate=28 December 2018}} 5. ^{{cite book |last1=von Mueller |first1=Ferdinand |title=Fragmenta phytographiae Australiae |date=1880 |publisher=Victorian Government Printer |location=Melbourne |page=87 |url=https://www.biodiversitylibrary.org/item/7228#page/88/mode/1up |accessdate=28 December 2018}} 6. ^{{cite web|title=Plectorrhiza brevilabris|url= https://id.biodiversity.org.au/instance/apni/498407|publisher=APNI|accessdate=28 December 2018}} 7. ^1 {{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.}} 5 : Aeridinae|Epiphytic orchids|Endemic orchids of Australia|Orchids of Queensland|Plants described in 1880 |
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