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FOC | Family List | FOC Vol. 25 | Orchidaceae

169. Chiloschista Lindley, Edwards’s Bot. Reg. 18: ad t. 1522. 1832.

异型兰属 yi xing lan shu

Authors: Xinqi Chen & Jeffrey J. Wood

Herbs, epiphytic or lithophytic, monopodial, usually stemless and leafless. Roots green, photosynthetic, flat, scabrid. Inflorescence often pendulous, racemose, hairy or glabrous. Flowers ephemeral. Sepals and petals subequal; lateral sepals and petals often adnate to column foot. Lip ± clawed, hinged to apex of column foot, pouched or spurred, 3-lobed; lateral lobes erect, large; mid-lobe small; disk with a fingerlike callus, hirsute-pubescent. Column subterete, short, foot long; clinandrium shallow; stigma deep-set; rostellum deflexed, bifid; anther cap with 2 long filiform setae; pollinia 4, in 2 closely appressed, unequal, sessile pairs; stipe sublinear.

About ten species: from the Indian subcontinent through SE Asia to Australia; three species (all endemic) in China.

1 Sepals and petals densely pubescent abaxially; inflorescences to 26 cm.   1 C. yunnanensis
+ Sepals and petals nearly glabrous or only sparsely pubescent abaxially; inflorescences 1.5-15 cm   (2)
2 (1) Mid-lobe of lip conspicuous, much longer than lateral lobes.   2 C. guangdongensis
+ Mid-lobe of lip very small, much shorter than lateral lobes.   3 C. segawae

Lower Taxa


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