兰属  转到中国兰科植物志

Cymbidium Swartz Nova Acta Regiae Soc. Sci. Upsal., ser. 2. 6: 70. 1799.

兰属 lan shu

Authors:Authors: Liu Zhongjian, Xinqi Chen & Phillip J. Cribb

Cyperorchis Blume; Iridorchis Blume (1859), not Iridorkis Thouars (1809); Jensoa Rafinesque; Liuguishania Z. J. Liu & J. N. Zhang; Semiphajus Gagnepain, p.p.; Wutongshania Z. J. Liu & J. N. Zhang.

Herbs, epiphytic, lithophytic, or terrestrial, autotrophic or rarely mycotrophic, usually with pseudobulbs. Pseudobulbs ovoid, ellipsoid, or spindle-shaped, rarely absent or stemlike, often enclosed in leaf bases. Leaves several to many, distichous, usually lorate or linear, rarely oblanceolate to narrowly elliptic, often articulate toward base. Inflorescence arising from base of pseudobulb or rarely from axils of leaves, erect to pendulous; rachis several to many flowered, rarely reduced to a solitary flower; floral bracts persistent. Flowers large or medium-sized. Sepals and petals free, subsimilar; lip free or basally fused for 3-6 mm to base of column, usually 3-lobed; lateral lobes erect, often clasping column; mid-lobe often recurved; disk usually with 2 longitudinal lamellae extending from base of lip to base of mid-lobe; lamellae sometimes inflated toward apex or broken in middle. Column rather long, often slightly arcuate, often narrowly winged; pollinia 2 and deeply cleft, or 4 and in 2 unequal pairs, waxy, commonly attached by a very short or indistinct caudicle to a usually broad viscidium.

About 55 species: tropical and subtropical Asia, south to Papua New Guinea and Australia; 49 species (19 endemic) in China.


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