双蕊兰属 shuang rui lan shu

Authors:Authors: Xinqi Chen, Phillip J. Cribb & Stephan W. Gale

Herbs, small, heteromycotrophic, with stout, short rhizomes and tufted fleshy roots, without green leaves. Inflorescence erect, terminal, racemose; peduncle with several sheaths; sheaths tubular in lower half of peduncle, becoming bractlike above; rachis densely many flowered; floral bracts membranous. Flowers erect, not resupinate, actinomorphic; pedicel rather long, slender, not twisted; ovary ellipsoid, not twisted. Perianth composed of 3 similar sepals and 3 similar petals, without a modified lip. Column erect, cylindric, with 2 fertile stamens at apex; stamens similar, erect, borne opposite dorsal sepal and central petal (lip) respectively; anthers 2-locular, each with an extremely short filament; pollinia 2, granular-farinaceous, without caudicle; stigma terminal, oblate; rostellum absent.

● One species: China.

For a detailed discussion on this genus and the allied Holopogon, see Chen and Tsi (Acta Phytotax. Sin. 25: 329-339. 1987).For a detailed discussion on this genus and the allied Holopogon, see Chen and Tsi (Acta Phytotax. Sin. 25: 329-339. 1987).