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FOC | Family List | FOC Vol. 25 | Orchidaceae

153. Acampe Lindley, Fol. Orchid. 4(Acampe): 1. 1853.

脆兰属 cui lan shu

Authors: Xinqi Chen & Jeffrey J. Wood

Sarcanthus Lindley (1824), not Lindley (1826).

Herbs, epiphytic or lithophytic, monopodial. Stems simple or branched, stout, leafy. Leaves distichous, conduplicate, leathery, sometimes somewhat fleshy, apex emarginate or bilobed. Inflorescence axillary, racemose, corymbose, or paniculate; floral bracts persistent, inconspicuous, scalelike. Flowers fragile, not resupinate, small, fleshy. Sepals and petals similar, flat to curved; lateral sepals adnate to spur (when present). Lip saccate or with a short spur, adnate to column, immovable, rigid, variously lobed, fleshy, papillose, tuberculate, sometimes dentate; spur lacking any internal tongue or median septum. Column short, fleshy, glabrous or papillose; stelidia 2, toothlike; foot absent; anther cap ovoid, apiculate; pollinia 4, united in 2 pairs, globose; caudicle linear, thick; viscidium oval, small; stigma transverse, concave; rostellum short, emarginate.

About ten species (possibly fewer): from tropical Himalayan regions to Indochina, and SE Asia, tropical and subtropical Africa, Madagascar, and the islands of the W Indian Ocean; three species in China.

1 Leaves 3.5-5 cm wide; lip epichile rugose, margin not wavy; inflorescence often unbranched; peduncle and rachis 5-8 mm in diam.   1 A. rigida
+ Leaves less than 2.5 cm wide; lip epichile coarsely warty, margin wavy; inflorescence with short branches; peduncle and rachis ca. 3 mm in diam   (2)
2 (1) Inflorescence paniculate, 5-14 cm, equaling or exceeding leaves; lateral lobes of lip protruding; column with 2 short, distinct horns.   2 A. ochracea
+ Inflorescence subumbellate, 1-4 cm, shorter than leaves; lateral lobes of lip not protruding; column lacking distinct horns.   3 A. papillosa

Lower Taxa


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