Species of orchid
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Thelymitra hiemalis, commonly called the winter sun orchid, 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.
Description.
"Thelymitra hiemalis" is a tuberous, perennial herb with a fleshy, channelled, dark green, linear to lance-shaped leaf long and wide with a reddish base. Up to five mauve or blue flowers wide are borne on a flowering stem tall. The sepals and petals are long and wide. The sepals are often greenish and the petals, including the labellum have irregular, darker spots. The column is white, about long and 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.
Taxonomy and naming.
"Thelymitra hiemalis" was first formally described in 1988 by David Jones and Mark Clements and the description was published in "The Orchadian". The specific epithet ("hiemalis") is a Latin word meaning "of winter".
Distribution and habitat.
The winter sun orchid grows in heath and is only known from a few records near Portland, Anglesea, Upper Beaconsfield and Blackburn.
Conservation.
"Thelymitra hiemalis" is listed as "endangered" under the Victorian "Flora and Fauna Guarantee Act 1988".
References.
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