| 词条 | Thelymitra frenchii |
| 释义 |
|name = Scarp sun orchid |image = |image_caption = |taxon = Thelymitra frenchii |authority = Jeanes |display_parents = 2 }} Thelymitra frenchii, commonly called the scarp sun orchid[1] or Jarrahdale sun orchid,[2] is a species of orchid in the family Orchidaceae and endemic to a small area in the south-west of Western Australia. It has a single long, fleshy leaf and up to three relatively small, blue flowers. DescriptionThelymitra frenchii is a tuberous, perennial herb with a single channelled, fleshy, pale green, linear to lance-shaped leaf {{convert|60-120|mm|in|sigfig=1|abbr=on}} long and {{convert|5-12|mm|in|sigfig=1|abbr=on}} wide. Up to three blue flowers, {{convert|18-25|mm|in|sigfig=1|abbr=on}} wide are borne on a flowering stem {{convert|50-140|mm|in|sigfig=1|abbr=on}} tall. The sepals and petals are {{convert|8-12|mm|in|sigfig=1|abbr=on}} long and {{convert|3.5-6|mm|in|sigfig=1|abbr=on}} wide. The column is bluish to pinkish, about {{convert|5|mm|in|sigfig=1|abbr=on}} long and {{convert|3|mm|in|sigfig=1|abbr=on}} wide. The lobe on the top of the anther is {{convert|2-3|mm|in|sigfig=1|abbr=on}} long and about {{convert|2|mm|in|sigfig=1|abbr=on}} wide, mostly yellow with a narrow purplish band and a broad, shallow notch. The side lobes have toothbrush-like tufts of white hairs. The flowers remain open even in cool weather and until late in the day. Flowering has only been observed in October.[1][2][3][4]Taxonomy and namingThelymitra frenchii was first formally described in 2004 by Jeff Jeanes from a specimen collected near Jarrahdale and the description was published in Muelleria.[5] The specific epithet (frenchii) honours "Christopher (Chris) J. French" for his assistance to the author.[3]Distribution and habitatThe scarp sun orchid grows in soil pockets on granite outcrops in jarrah forest. It is only known from near Jarrahdale in the Jarrah Forest biogeographic region.[3][6] ConservationThelymitra frenchii is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[6]References1. ^1 {{cite book|last1=Brown|first1=Andrew|last2=Dundas|first2=Pat|last3=Dixon|first3=Kingsley|last4=Hopper|first4=Stephen|title=Orchids of Western Australia|date=2008|publisher=University of Western Australia Press|location=Crawley, Western Australia|isbn=9780980296457|page=442}} 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|pages =229–230}} 3. ^1 2 {{cite journal|last1=Jeanes|first1=Jeffrey A.|title=A revision of the Thelymitra pauciflora R.Br. (Orchidaceae) complex in Australia|journal=Muelleria|date=2004|volume=19|pages=66–67|url=https://www.rbg.vic.gov.au/documents/Muelleria_19,_p19-79,_Jeanes,_Thelymitra_pauciflora_complex.pdf|accessdate=12 May 2018}} 4. ^{{cite book|last1=Hoffman|first1=Noel|last2=Brown|first2=Andrew|title=Orchids of South-West Australia.|date=2011|publisher=Noel Hoffman|location=Gooseberry Hill|isbn=9780646562322|page=319|edition=3rd}} 5. ^{{cite web|title=Thelymitra frenchii|url= https://id.biodiversity.org.au/instance/apni/589779|publisher=APNI|accessdate=12 May 2018}} 6. ^1 {{FloraBase|name=Thelymitra frenchii|id=23991}} External links
4 : Thelymitra|Endemic orchids of Australia|Orchids of Western Australia|Plants described in 2004 |
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