Английская Википедия:Dendrobium callitrophilum

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Dendrobium callitrophilum, commonly known as the thin feather orchid, is an epiphytic orchid in the family Orchidaceae with narrow pseudobulbs, one or two thin, leathery leaves and up to six greenish yellow flowers with a cream-coloured or apricot-coloured labellum. It grows in or near rainforest in isolated parts of tropical North Queensland.

Description

Dendrobium callitrophilum is an epiphytic herb with pseudobulbs Шаблон:Convert long and Шаблон:Convert wide. There are one or two thin, leathery leaves Шаблон:Convert long and Шаблон:Convert wide. One or two flowering stems Шаблон:Convert long bear up to six greenish yellow resupinate flowers that become apricot-coloured as they age. The sepals spread widely apart from each other, the dorsal sepal Шаблон:Convert long, about Шаблон:Convert wide and the laterals Шаблон:Convert long and about Шаблон:Convert wide. The petals are a similar length to the lateral sepals but only about Шаблон:Convert wide. The labellum is Шаблон:Convert long, Шаблон:Convert wide and cream-coloured at first, becoming apricot-coloured with purplish stripes as it ages. The side lobes of the labellum are erect and pointed and the middle lobe turns downwards with three ridges, the central ridge larger and wavy. Flowering occurs from August to September.

Taxonomy and naming

Dendrobium callitrophilum was first formally described in 1989 by Bruce Gray and David Jones from a specimen collected near Nitchigar Creek, near Tully Falls. The description was published in the Proceedings of the Royal Society of Queensland.

Distribution and habitat

The thin feather orchid grows on trees and shrubs, favouring Callitris macleayana and Austromyrtus species. It grows at altitudes of between Шаблон:Convert in or near to rainforest in tropical north Queensland.

Conservation

This orchid is listed as "vulnerable" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999. Although some populations of the species are conserved in national parks, it is threatened by land clearing, changed fire regimes and illegal collecting.