Английская Википедия:Diuris laxiflora
Шаблон:Short description Шаблон:Italic title Шаблон:Speciesbox
Diuris laxiflora, commonly known as bee orchid,[1] is a species of orchid which is endemic to the southwest of Western Australia. It has two to five narrowly linear leaves and up to six yellow flowers with brown markings. It is a small orchid, common within its range and about half the size of the common donkey orchid, Diuris corymbosa.
Description
Diuris laxiflora is a tuberous, perennial herb with two to five narrowly linear leaves Шаблон:Cvt long and Шаблон:Cvt wide. Up to five yellow flowers with brown markings, Шаблон:Cvt long and Шаблон:Cvt wide are borne on a flowering stem Шаблон:Cvt tall. The dorsal sepal is narrowly egg-shaped, Шаблон:Cvt long and Шаблон:Cvt wide, the lateral sepals parallel or crossed, Шаблон:Cvt long and Шаблон:Cvt wide. The petals are elliptic to egg-shaped or almost round, 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 broadly wedge-shaped, Шаблон:Cvt long and Шаблон:Cvt wide, the side lobes spread widely apart and oblong, Шаблон:Cvt long, Шаблон:Cvt wide and with a prominent red blotch at the base. There is are two calli outlined with red either side of the mid-line of the labellum. Flowering occurs from September to early November.[1][2][3][4]
Taxonomy and naming
Diuris laxiflora first described by John Lindley in 1839 and published in his "A Sketch of the Vegetation of the Swan River Colony" (1840).[5] In The Genera and Species of Orchidaceous Plants he wrote "The pedicels and ovary together are about 3 inches long, which is less than the length of the internodes. Each stem bears from 4 to 8 flowers, which seem to be dark yellow, with no spotting, but perhaps with some stains of purple."[6]
The specific epithet (laxiflora) means "open-flowered".[7]
Distribution and habitat
Bee orchid is endemic to the south western corner of Western Australia, occurring in the Avon Wheatbelt, Esperance, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain and Warren biogeographical regions of Western Australia. It grows in sand, lateritic loam, clay and granite rock margins in winter-wet swamps.[1]
References
- Английская Википедия
- Diuris
- Endemic orchids of Australia
- Orchids of Western Australia
- Plants described in 1839
- Endemic flora of Western Australia
- Taxa named by John Lindley
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