Английская Википедия:Dendrobium gracilicaule
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Dendrobium gracilicaule, commonly known as the blotched cane orchid or yellow cane orchid,[1] is an epiphytic or lithophytic orchid in the family Orchidaceae. It has cylindrical pseudobulbs, between three and seven thin leaves and up to thirty often drooping, cream-coloured to yellow or greenish flowers, sometimes with reddish brown blotches on the back. There are two varieties, one occurring in Queensland and New South Wales and the other on some Pacific Islands, including Lord Howe Island.
Description
Dendrobium gracilicaule is an epiphytic or lithophytic herb that has cylindrical, yellowish green pseudobulbs Шаблон:Convert long and Шаблон:Convert wide, each with between three and seven leaves on the top. The leaves are thin, dark green, Шаблон:Convert long and Шаблон:Convert wide. The flowering stem is Шаблон:Convert long and bears between five and thirty, often drooping flowers. The flowers are cream-coloured to yellow or greenish, Шаблон:Convert long and wide, in one variety with large reddish blotches on the back. The sepals are Шаблон:Convert long, Шаблон:Convert wide and are relatively think and fleshy. The petals are Шаблон:Convert long, Шаблон:Convert wide. The labellum is Шаблон:Convert long, Шаблон:Convert wide and has three lobes. The side lobes curve upwards and the middle lobe is kidney-shaped and has three wavy ridges. Flowering occurs between July and September.[1][2]
Taxonomy and naming
Dendrobium gracilicaule was first formally described in 1859 by Ferdinand von Mueller and the description was published in Fragmenta phytographiae Australiae from a specimen collected by William Hill near Moreton Bay.[3][4] The specific epithet (gracilicaule) is derived from the Latin words gracilis meaning "slender" or "thin"[5]Шаблон:Rp and caulis meaning "stem" or "stalk".[5]Шаблон:Rp
There are two varieties of this orchid:
- Dendrobium gracilicaule var. gracilicaule[6] – the blotched cane orchid which has large reddish brown blotches on the back of the flowers and grows on trees or rocks usually in rainforest between Mount Fox in Queensland and the Hawkesbury River in New South Wales.[1][2]
- Dendrobium gracilicaule var. howeanum Maiden[7] – the yellow cane orchid,[1] which lacks spots on the back of the flowers and grows in humid forests on Lord Howe Island, the Kermadec Islands, Fiji, New Caledonia and Vanuatu.[1][7]
References
External links
- IOSPE orchid photos, Dendrobium gracilicaule
- Santa Barbara Orchid Estate (Santa Barbara California USA), Dendrobium gracilicaule
- Australian Native Orchid Society (Queensland), Kabi Group, Dendrobium gracilicaule
- Английская Википедия
- Dendrobium
- Orchids of Oceania
- Orchids of New Caledonia
- Orchids of New South Wales
- Orchids of Queensland
- Flora of Lord Howe Island
- Flora of Fiji
- Flora of the Kermadec Islands
- Flora of Vanuatu
- Plants described in 1859
- Taxa named by Ferdinand von Mueller
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