Английская Википедия:Diuris secundiflora

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Diuris secundiflora, commonly known as the one-sided donkey orchid,[1] is a poorly-known species of orchid that is endemic to New South Wales. It has a single grass-like leaf and up to eight yellow flowers that are sometimes spotted and are all arranged on one side of the flowering stem.

Description

Diuris secundiflora is a tuberous, perennial herb with a single leaf about Шаблон:Convert long, Шаблон:Convert wide and folded lengthwise. Between two and eight yellow flowers about Шаблон:Convert wide are borne on one side of a flowering stem about Шаблон:Convert tall. The dorsal sepal curves backwards, Шаблон:Convert long, about Шаблон:Convert wide and egg-shaped to spatula-shaped. The lateral sepals are linear, Шаблон:Convert long, about Шаблон:Convert wide and turned downwards. The petals spread widely or are more or less erect, egg-shaped, Шаблон:Convert long and about Шаблон:Convert wide on a dark reddish brown stalk Шаблон:Convert long. The labellum is about Шаблон:Convert long and has three lobes. The centre lobe is fan-shaped, Шаблон:Convert long and Шаблон:Convert wide with a central ridge. The side lobes are about Шаблон:Convert long and less than Шаблон:Convert wide. There are two thick callus ridges Шаблон:Convert long near the mid-line of the labellum. Flowering occurs in October and November.[1][2]

Taxonomy and naming

Diuris secundiflora was first formally described in 1878 by Robert FitzGerald and the description was published in his book Australian Orchids.[3]

Distribution

The one-sided donkey orchid is only known from the type location near the Macleay River "growing in a small cluster on an open bank".[1][2][3]

References

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