Английская Википедия:Diuris lanceolata

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Diuris lanceolata, commonly known as large golden moths, is a species of orchid that is endemic to Tasmania. It has between two and four leaves and up to three golden to orange-yellow flowers with a few dark streaks.

Description

Diuris lanceolata is a tuberous, perennial herb with between two and four narrow linear leaves Шаблон:Convert long and Шаблон:Convert wide. Up to three golden yellow to orange-yellow flowers with a few dark streaks, Шаблон:Convert wide are borne on a flowering stem Шаблон:Convert tall. The dorsal sepal is egg-shaped, angled upwards, Шаблон:Convert long, Шаблон:Convert wide with a tapered tip. The lateral sepals turn downwards below the horizontal, narrow lance-shaped with the narrower end towards the base, Шаблон:Convert long, Шаблон:Convert wide and parallel to each other. The petals are held horizontally, egg-shaped to lance-shaped, Шаблон:Convert long and Шаблон:Convert wide on a green stalk Шаблон:Convert long. The labellum is Шаблон:Convert long and has three lobes. The centre lobe is egg-shaped, Шаблон:Convert long and Шаблон:Convert wide. The side lobes are erect, oblong to wedge-shaped, Шаблон:Convert long and Шаблон:Convert wide with irregular edges. There are pimply callus ridges Шаблон:Convert long at the base of the mid-line of the labellum. Flowering occurs from November to February.

Taxonomy and naming

Diuris lanceolata was first formally described by John Lindley in his 1840 book The Genera and Species of Orchidaceous Plants. The specific epithet (lanceolata) is a Latin word meaning "spear-like".

Distribution and habitat

Large golden moths is currently only known from one location on the north coast and one on the west coast of Tasmania, growing in wet grassland, in heath and in coastal scrub.

Conservation

Diuris lanceolata is classified as "endangered" under the Australian government Environment Protection and Biodiversity Conservation Act 1999 and the Tasmanian government Threatened Species Protection Act 1995.