白花卷瓣兰（植物分类学报）
Bulbophyllum khaoyaiense Seidenf. in Bot. Tidsskr. 65: 342. 1970, et in Dansk Bot. Ark. 33 (3): 193, fig. 140. 1979; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (3): 289. 1995. ——B. tripudians var. pumilum Seidenf. et Smitin., Orch. Thailand Prelimin. List 4 (2): 795, fig. 600. 1965.
Tree trunks in forests; ca. 1400 m. S Yunnan [Thailand]. |
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Pseudobulbs close, subovoid, 1.3-2 cm, 7-8 mm in diam., with 2 leaves at apex. Leaves deciduous at anthesis. |
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Scape from base of pseudobulb, erect, 14-15.5 cm; raceme nodding, 5-6 cm, usually with more than 10 secund flowers; peduncle stout, ca. 2 mm in diam., with 2 or 3 membranous sheaths; floral bracts lanceolate, ca. 3 mm, apex acuminate. Pedicel and ovary ca. 2 mm. Flowers thinly textured, white, with purplish red lip. Dorsal sepal narrowly ovate-triangular, ca. 8 × 2 mm, adaxially sparsely with short hairs, margin entire, apex long acuminate; lateral sepals lanceolate, ca. 20 × 2.5 mm, abaxial base densely papillate, base adnate to column foot, twisted near base, with their lower edges connate to each other, margin entire, apex acuminate. Petals narrowly triangular, ca. 4 × 1.2 mm, margins sparsely fimbriate-ciliate, apex long acuminate; lip ca. 2 × 1 mm, fleshy, fleshy-thickened in apical half, with papillate hairs adaxially, base attached to end of column foot by a mobile joint. Column ca. 1.5 mm, base with a foot ca. 1 mm; stelidia subulate, ca. 1 mm, ± hooked; anther cap subglobose, apex densely papillate. Fl. Mar. |
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