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Arthrochilus, commonly called elbow orchids, is a genus of about fifteen species of flowering plants from the orchid family (Orchidaceae) and is found in Australia and New Guinea. The flowers are pollinated by male thynnid wasps which attempt to mate with the flower and are held in place by hooks while the pollinium is transferred between insect and flower.
GENUS
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Arthrochilus, commonly called elbow orchids, is a genus of about fifteen species of flowering plants from the orchid family (Orchidaceae) and is found in Australia and New Guinea. The flowers are pollinated by male thynnid wasps which attempt to mate with the flower and are held in place by hooks while the pollinium is transferred between insect and flower.
==Description== Orchids in the genus Arthrochilus are terrestrial, perennial, deciduous, sympodial herbs usually with a few inconspicuous, fine roots and a single oval-shaped tuber lacking a protective fibrous sheath. (A. huntianus lacks a true tuber.) Some species form colonies, reproducing asexually from daughter tubers formed on the end of root-like stolons. The stem is short, erect and unbranched with thin, leaf-like cataphylls at each node. There are up to six leaves at or near the base of the plant, sometimes forming a rosette around the stem.thumb|225px|Labelled image
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