| 词条 | Thelymitra macrophylla |
| 释义 |
| name = Large-leafed sun orchid | image = Thelymitra macrophylla flower.jpg | image_caption = Thelymitra macrophylla near Boyanup | taxon = Thelymitra macrophylla | authority = Lindl. | display_parents = 2 }} Thelymitra macrophylla, commonly called the large-leafed sun orchid[1] or scented 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 thick, broad, leathery leaf and up to twenty five relatively large dark blue to purplish flowers with white, toothbrush-like tufts. DescriptionThelymitra macrophylla is a tuberous, perennial herb with a single thick, leathery, strap-like leaf {{convert|150-500|mm|in|sigfig=1|abbr=on}} long and {{convert|5-25|mm|in|sigfig=1|abbr=on}} wide. Between two and twenty five dark blue to purplish flowers, {{convert|25-50|mm|in|sigfig=1|abbr=on}} wide are borne on a flowering stem {{convert|300-900|mm|in|sigfig=1|abbr=on}} tall. The sepals and petals are {{convert|10-25|mm|in|sigfig=1|abbr=on}} long and {{convert|10-12|mm|in|sigfig=1|abbr=on}} wide. The column is white to pale blue or pinkish, {{convert|5-8|mm|in|sigfig=1|abbr=on}} long and {{convert|3-5.5|mm|in|sigfig=1|abbr=on}} wide. The lobe on the top of the anther is {{convert|3.5-5|mm|in|sigfig=1|abbr=on}} long, {{convert|2-3|mm|in|sigfig=1|abbr=on}} wide and dark brown with a yellow tip. The side lobes have toothbrush-like tufts of white hairs. The flowers are strongly scented, insect pollinated and open in sunny weather. Flowering occurs from August to October.[1][2][3]Taxonomy and namingThelymitra macrophylla was first formally described in 1840 by John Lindley from a specimen collected by James Drummond and the description was published in A Sketch of the Vegetation of the Swan River Colony.[4] The specific epithet (macrophylla) is derived from the Ancient Greek words makros meaning "long"[5]{{rp|461}} and phyllon meaning "leaf".[5]{{rp|466}} Distribution and habitatThe large-leafed sun orchid is widespread and common between Perth and Albany, growing in jarrah forest and wandoo woodland.[6] ConservationThelymitra macrophylla is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.[6]References1. ^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}} 2. ^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=443}} 3. ^{{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=326|edition=3rd}} 4. ^{{cite web|title=Thelymitra macrophylla|url= https://id.biodiversity.org.au/instance/apni/550611|publisher=APNI|accessdate=12 May 2018}} 5. ^1 {{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.}} 6. ^1 {{FloraBase|name=Thelymitra macrophylla|id=11053}} External links
4 : Thelymitra|Endemic orchids of Australia|Orchids of Western Australia|Plants described in 1840 |
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