Английская Википедия:Bulbophyllum longiflorum

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Bulbophyllum longiflorum, commonly known as the pale umbrella orchid, is a species of epiphytic or lithophytic orchid. It has a creeping rhizome, widely spaced, dark green pseudobulbs with a single large, fleshy leaf, and flowers spreading in a semicircular umbel, resembling one-half of an umbrella. The flowers are canoe-shaped, greenish cream-coloured to yellowish with purple dots. It has a wide distribution and is found in parts of Africa, on islands in the Indian and Pacific Oceans, Southeast Asia, New Guinea and northern Australia.

Description

Bulbophyllum baileyi is an epiphytic or lithophytic herb that has a creeping rhizome and grooved, dark green pseudobulbs Шаблон:Convert long and Шаблон:Convert wide. Each pseudobulb has a single fleshy, dark green leaf Шаблон:Convert long and Шаблон:Convert wide on its end. Between five and eight flowers are arranged in a spreading, semi-circular umbel Шаблон:Convert long, each flower on a pedicel Шаблон:Convert long. The flowers are resupinate, greenish cream-coloured to yellowish with purple spots or dots, Шаблон:Convert long and Шаблон:Convert wide. The dorsal sepal is egg-shaped, Шаблон:Convert long and Шаблон:Convert wide, forming a hood over the column. There is a long, hair-like tip on the end of the dorsal sepal. The lateral sepals are Шаблон:Convert long, Шаблон:Convert wide and fused to each other along their sides. The petals are triangular, curved, Шаблон:Convert long and Шаблон:Convert wide. The labellum is dark purple, fleshy, curved, Шаблон:Convert long and about Шаблон:Convert wide with a groove along its midline. Flowering occurs between January and March in Australia, October and January in Africa and throughout the year in New Guinea.

Taxonomy and naming

Bulbophyllum longiflorum was first formally described in 1822 by Louis-Marie Aubert du Petit-Thouars in his book Histoire particulière des plantes orchidées recueillies sur les trois Iles Australes d’Afrique, de France, de Bourbon et de Madagascar.

Distribution and habitat

The pale umbrella orchid is found in Africa, Madagascar, Mascarenes, Seychelles and on into Malaysia, New Guinea, New Caledonia, Fiji and Society and Austral Islands and Queensland. In Queensland it occurs in the Iron and McIlwraith Ranges. It grows in rainforests and hill forests at elevations from sealevel to Шаблон:Convert.

Conservation

This orchid is classed as "vulnerable" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999. The main threat to the species in illegal collecting by orchid enthusiasts.