| 词条 | Thelymitra fuscolutea |
| 释义 |
| name = Chestnut sun orchid | image = | image_caption = | taxon = Thelymitra fuscolutea | authority = R.Br.[1] | synonyms_ref = | synonyms = | display_parents = 2 }} Thelymitra fuscolutea, commonly called the chestnut sun orchid,[2] is a species of orchid in the family Orchidaceae and is endemic to the south-west of Western Australia. It has a single erect, flat, leathery leaf and up to fifteen or more yellowish green flowers with reddish brown streaks and blotches. The column has broad, deeply fringed cream or whitish wings. DescriptionThelymitra fuscolutea is a tuberous, perennial herb with a single erect, flat, leathery, lance-shaped to egg-shaped leaf {{convert|50-150|mm|in|sigfig=1|abbr=on}} long and {{convert|20-30|mm|in|sigfig=1|abbr=on}} wide. Between two and fifteen or more yellowish green flowers with reddish brown streaks and blotches, {{convert|25-35|mm|in|sigfig=2|abbr=on}} wide are borne on a flowering stem {{convert|200-300|mm|in|sigfig=1|abbr=on}} tall. The sepals and petals are {{convert|12-16|mm|in|sigfig=1|abbr=on}} long and {{convert|6-8|mm|in|sigfig=1|abbr=on}} wide. The column is greenish near its base then cream or whitish, {{convert|6-9|mm|in|sigfig=1|abbr=on}} long and {{convert|4-6|mm|in|sigfig=2|abbr=on}} wide and has widely fringed wings. The lobe on the top of the anther has a club-like lobe on its top. The flowers are insect pollinated and open on sunny days. Flowering occurs from November to January.[2][3][4][5]Taxonomy and namingThelymitra fuscolutea was first formally described in 1810 by Robert Brown and the description was published in Prodromus Florae Novae Hollandiae et Insulae Van Diemen.[6][7] The specific epithet (fuscolutea) is derived from the Latin words fuscus meaning "dark" or "dusky"[8]{{rp|149}} and lutea meaning "yellow"[8]{{rp|872}} referring to the colour of the flowers.[3]Distribution and habitatThe chestnut sun orchid grows in heath, forest and on the edges of winter-wet swamps. It occurs between Perth and the Cape Arid National Park.[2][3][9] ConservationThelymitra fuscolutea is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[9]References1. ^{{WCSP | 203749 | Thelymitra fuscolutea }} 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 =251–252}} 3. ^1 2 {{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=419}} 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=287|edition=3rd}} 5. ^{{cite journal|last1=Jeanes|first1=Jeffrey|title=Resolution of the Thelymitra fuscolutea R. Br. (Orchidaceae) complex of southern Australia|journal=Muelleria|date=2006|volume=24|pages=11–13|url=https://www.rbg.vic.gov.au/documents/Muelleria_24_p3-24_Jones_Thelymitra_fuscolutea_web_version.pdf|accessdate=28 May 2018}} 6. ^{{cite web|title=Thelymitra fuscolutea|url= https://id.biodiversity.org.au/instance/apni/549745|publisher=APNI|accessdate=6 June 2018}} 7. ^{{cite book|last1=Brown|first1=Robert|title=Prodromus florae Novae Hollandiae|date=1810|location=London|page=315|url=https://www.biodiversitylibrary.org/item/21771#page/185/mode/1up|accessdate=6 June 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.}} 9. ^1 {{FloraBase|name=Thelymitra fuscolutea|id=1708}} External links
4 : Thelymitra|Endemic orchids of Australia|Orchids of Western Australia|Plants described in 1810 |
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