Английская Википедия:Diuris littoralis
Шаблон:Short description Шаблон:Speciesbox
Diuris littoralis, commonly known as Green Range donkey orchid,[1] is a species of orchid that is endemic to the south-west of Western Australia. It has two or three linear leaves and up to six yellow, brown and mauve flowers from late July to early September.
Description
Diuris littoralis is a tuberous, perennial herb with two or three linear leaves Шаблон:Cvt long and Шаблон:Cvt wide. Up to six yellow flowers with brown and mauve markings, Шаблон:Cvt long and Шаблон:Cvt wide are borne on a flowering stem Шаблон:Cvt tall. The dorsal sepal is egg-shaped, Шаблон:Cvt long and Шаблон:Cvt wide, the lateral sepals narrowly oblong, parallel or crossed, Шаблон:Cvt long and Шаблон:Cvt wide. The petals are more or less broadly elliptic, Шаблон:Cvt long and Шаблон:Cvt wide on a stalk Шаблон:Cvt long. The labellum is Шаблон:Cvt long with three lobes - the centre lobe wedge-shaped with down-curved edges, Шаблон:Cvt long and Шаблон:Cvt wide, the side lobes spread widely apart and oblong, Шаблон:Cvt long and Шаблон:Cvt wide. There is a single smooth, yellow callus ridge along the mid-line of the labellum. Flowering occurs from late July to early September.[2][3]
Taxonomy and naming
Diuris littoralis was first formally described in 2016 by David Jones and Christopher J. French in Australian Orchid Review, from a specimen collected by Jones near the hospital in Spencer Park in 1986.[4] The specific epithet (littoralis) means "belonging to the sea shore", referring to the coastal or near-coastal habitat of this species.[3][5]
Distribution and habitat
Green Range donkey orchid grows in coastal and near-coastal shrublands and woodlands on well-drained laterite, in clay near streams and in shallow sand over limestone between Denmark and Esperance in the Avon Wheatbelt, Esperance Plains, Jarrah Forest and Mallee bioregions of south-western Western Australia.[1][2][3]
Conservation
Diuris littoralis is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.[1]
References
- Английская Википедия
- Diuris
- Endemic orchids of Australia
- Orchids of Western Australia
- Plants described in 2016
- Taxa named by David L. Jones (botanist)
- Endemic flora of Southwest Australia
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