玉凤花属 yu feng hua shu

Authors:Authors: Xinqi Chen & Phillip J. Cribb

Fimbrorchis Szlachetko; Habenaria sect. Kryptostoma Summerhayes; Habenorkis Thouars; Kryptostoma (Summerhayes) Geerinck; Medusorchis Szlachetko; Ochyrorchis Szlachetko; Senghasiella Szlachetko; Smithanthe Szlachetko & Margońska.

Herbs, terrestrial. Tubers subglobose, ellipsoid, or oblong, fleshy, unlobed, neck with several slender roots. Stem erect, base often with tubular sheaths, above sheaths with leaves and sometimes several bractlike leaves above. Leaves 1 to several, loosely arranged or tufted, base contracted into amplexicaul sheaths. Inflorescence racemose, terminal, few to many flowered. Flowers resupinate. Sepals free; dorsal sepal connivent with petals forming a hood; lateral sepals spreading and reflexed. Petals simple or bilobed; lip often 3-lobed, base often spurred, sometimes saccate or spurless. Column short, both sides often with auricles (staminodes); anther erect, with distinct connective and 2 divergent locules, base of each often protruding and grooved; pollinia 2, granular-farinaceous, sectile, usually each by a long caudicle attached to a viscidium; viscidium naked, relatively small; stigmas 2, separate, convex or elongate, ± clavate, at base of column; rostellum usually stout and large, with arms parallel to basal grooves of anther, ± embracing caudicles.

About 600 species: worldwide, mainly in tropical and subtropical areas; 54 species (19 endemic) in China.