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FOC | Family List | FOC Vol. 25 | Orchidaceae

171. Rhynchostylis Blume, Bijdr. 285 ["Rynchostylis"], 434. 1825.

钻喙兰属 zuan hui lan shu

Authors: Xinqi Chen & Jeffrey J. Wood

Anota (Lindley) Schlechter; Vanda sect. Anota Lindley.

Herbs, epiphytic, monopodial. Stems short, stout, with thick roots. Leaves many, often lorate, long and narrow, thickly fleshy, channeled, jointed and sheathing at base, unequally bilobed or toothed. Inflorescences lateral, erect or pendulous, racemose, densely many flowered; peduncle and rachis stout. Flowers resupinate, medium-sized. Sepals and petals similar, spreading; lateral sepals often wider and ± oblique. Petals smaller than sepals; lip adnate to column foot, immovable, entire or slightly 3-lobed, spurred at base; spur laterally compressed and backward-pointing. Column short, with a short foot; anther cap long pointed; rostellum long pointed; pollinia waxy, 2, globose, cleft; stipe long and narrow, apex slightly dilated; viscidium ovate, usually small.

About three or four species: from Sri Lanka, India through mainland SE Asia, China, the Philippines, south through Malaysia and Indonesia; two species in China.

1 Lip apex not 3-lobed; column foot distinct; inflorescence pendulous; spur somewhat transversely compressed; sepals 8-11 mm; lip glabrous.   1 R. retusa
+ Lip apex distinctly 3-lobed, small central lobe truncate, fleshy, lateral lobes broad, orbicular; column foot very short; sepals 12-14 mm; lip with indistinct, sparsely pilose basal keels, downturned on front wall of spur.   2 R. gigantea

Lower Taxa


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