orchid, popular name for members of the Orchidaceae, a family of perennial herbs widely distributed in both hemispheres. The unusually large family (of some 450 genera and an estimated 10,000 to 17,500 species) includes terrestrial, epiphytic (see epiphyte), and saprophytic (subsisting on decomposing material) genera. Although the latter may sometimes lack chlorophyll, none is actually parasitic. Orchids grow most abundantly in tropical and subtropical forests, where they are largely epiphytic; the temperate genera thrive in all kinds of shaded habitats except excessively dry or cold ones. Most temperate orchids and all those of Arctic are terrestrial.
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What is orchid?
A beautiful and often difficult to maintain flower, one variety of which produces vanilla for us. Click below for pics http://images.search.yahoo.com/search/im...
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