| 词条 | Thelymitra hiemalis |
| 释义 |
| name = Winter sun orchid | image = | image_caption = | regnum = Plantae | unranked_divisio = Angiosperms | unranked_classis = Monocots | ordo = Asparagales | familia = Orchidaceae | subfamilia = Orchidoideae | tribus = Diurideae | subtribus = Thelymitrinae | genus = Thelymitra | species = T. hiemalis | binomial = Thelymitra hiemalis | binomial_authority = D.L.Jones & M.A.Clem.[1] | synonyms_ref =[1] | synonyms = * Thelymitra ixioides var. subdifformis Nicholls }} Thelymitra hiemalis, commonly called the winter sun orchid,[3] is a species of orchid that is endemic to Victoria. It is a winter flowering orchid with greenish sepals and blue or mauve petals with large, irregular, darker spots. DescriptionThelymitra hiemalis is a tuberous, perennial herb with a fleshy, channelled, dark green, linear to lance-shaped leaf {{convert|120-200|mm|in|sigfig=1|abbr=on}} long and {{convert|8-12|mm|in|sigfig=1|abbr=on}} wide with a reddish base. Up to five mauve or blue flowers {{convert|30-45|mm|in|sigfig=1|abbr=on}} wide are borne on a flowering stem {{convert|200-350|mm|in|sigfig=1|abbr=on}} tall. The sepals and petals are {{convert|15-22|mm|in|sigfig=1|abbr=on}} long and {{convert|5-8|mm|in|sigfig=1|abbr=on}} wide. The sepals are often greenish and the petals, including the labellum have irregular, darker spots. The column is white, about {{convert|4|mm|in|sigfig=2|abbr=on}} long and {{convert|2|mm|in|sigfig=1|abbr=on}} wide. The lobe on the top of the anther has a brownish back and crowded yellow or orange, finger-like calli. The side lobes have mop-like tufts of white hairs. Flowering occurs from June to August.[2][3]Taxonomy and namingThelymitra hiemalis was first formally described in 1988 by David Jones and Mark Clements and the description was published in The Orchadian.[4] The specific epithet (hiemalis) is a Latin word meaning "of winter".[5]Distribution and habitatThe winter sun orchid grows in heath and is only known from a few records near Portland, Anglesea, Upper Beaconsfield and Blackburn.[2][3] ConservationThelymitra hiemalis is listed as "endangered" under the Victorian Flora and Fauna Guarantee Act 1988.[3]References1. ^1 {{WCSP | 203757 | Thelymitra hiemalis }} 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 =240}} 3. ^1 2 {{cite web|last1=Jeanes|first1=Jeff|title=Thelymitra hiemalis|url=https://vicflora.rbg.vic.gov.au/flora/taxon/60cba9c5-e106-402c-bc1a-084caf440233|publisher=Royal BotanicGardens Victoria|accessdate=24 May 2018}} 4. ^{{cite web|title=Thelymitra hiemalis|url= https://id.biodiversity.org.au/instance/apni/581265|publisher=APNI|accessdate=24 May 2018}} 5. ^{{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.|page=409}} External links
4 : Thelymitra|Endemic orchids of Australia|Orchids of Victoria (Australia)|Plants described in 1998 |
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