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FOC | Family List | FOC Vol. 25 | Orchidaceae | Bulbophyllum

24. Bulbophyllum shweliense W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 13: 191. 1921.

伞花石豆兰 san hua shi dou lan

Bulbophyllum craibianum Kerr.

Rhizome creeping or straggling, slender, ca. 1 mm in diam., branched, rooting from base of pseudobulbs, roots spreading. Pseudobulbs 2-5 cm apart from each other, subcylindric or narrowly ellipsoid-cylindric, 10-15 mm, 4-5 mm in diam., with a terminal leaf. Petiole 1-2 mm; leaf blade oblong, 2-3 × 0.5-1 cm, leathery, base contracted into petiole, apex obtuse-rounded and slightly emarginate. Scapes 1 or 2, from base of pseudobulb, erect, 3-4.5 cm, slender; raceme shortened, umbel-like, 4-10-flowered; peduncle ca. 0.5 mm in diam., with 3 or 4 narrowly tubular sheaths 4-6 mm; floral bracts lanceolate, 2-3 mm. Pedicel and ovary ca. 2 mm. Flowers slightly fragrant, orange. Sepals free, similar to each other, lanceolate, 7.5-8 × ca. 2 mm, apex long acuminate; dorsal sepal with slightly incurved apical margins; lateral sepals with distal margins incurved and tubular, base entirely adnate to column foot forming a subglobose mentum. Petals ovate-lanceolate, 3-3.5 × 1.4-2 mm, entire, shortly acute; lip recurved near apex, ovate-lanceolate in outline, ca. 2 mm, fleshy, glabrous, grooved at base, apex acute. Column ca. 1 mm; stelidia subulate, ca. 0.5 mm; foot upcurved, ca. 2 mm, with free part 0.8-1 mm; anther cap obtusely triangular. Fl. Jun.

Tree trunks in forests; 1300-2100 m. N Guangdong, S and W Yunnan [N Thailand, N Vietnam].


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