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FOC | Family List | FOC Vol. 25 | Orchidaceae

159. Staurochilus Ridley ex Pfitzer in Engler & Prantl, Nat. Pflanzenfam. Nachtr. 2: 16. 1900.

掌唇兰属 zhang chun lan shu

Authors: Xinqi Chen & Jeffrey J. Wood

Sarothrochilus Schlechter.

Herbs, epiphytic, monopodial, large. Stems ascending, climbing or pendulous, long or short, with many nodes. Leaves many, distichous, usually lorate, with nodes, base amplexicaul-sheathing, sessile, jointed. Inflorescences axillary, paniculate, often opposite to leaves, laxly several to many flowered. Flowers usually opening widely, small to medium-sized. Sepals free, similar. Petals slightly smaller; lip fleshy, adnate at base to column, immovable, base shortly spurred or slightly saccate, 3- or 5-lobed; lateral lobes erect; mid-lobe usually ± hairy on adaxial surface; spur, if present, with a hairy ligulate appendage on its back wall. Column short, stout, often hairy, foot indistinct; pollinia 4 in unequal pairs, waxy, subglobose, unequal in size, with a common narrow stipe and a solitary ovate viscidium.

About 14 species: from India through SE Asia to Indonesia and the Philippines; three species in China.

1 Inflorescences shorter than leaves; peduncle and rachis 1-1.5 mm in diam.   2 S. loratus
+ Inflorescences longer than leaves; peduncle and rachis stout, ca. 3 mm in diam   (2)
2 (1) Lip 5-lobed.   1 S. dawsonianus
+ Lip 3-lobed.   3 S. luchuensis

Lower Taxa


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