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

87. Bulbophyllum hirundinis (Gagnepain) Seidenfaden, Dansk Bot. Ark. 29(1): 76. 1974.

莲花卷瓣兰 lian hua juan ban lan

Cirrhopetalum hirundinis Gagnepain, Bull. Soc. Bot. France 78: 5. 1931; Bulbophyllum electrinum Seidenfaden; B. hirundinis var. electrinum (Seidenfaden) S. S. Ying; C. aurantiacum W. W. Smith; C. melinanthum Schlechter; C. remotifolium Fukuyama.

Rhizome creeping, 1-2 mm in diam., branched. Pseudobulbs close or 5-20 mm apart from each other, ovoid, 7-15 mm, 5-10 mm in diam., with a terminal leaf. Leaf subsessile; blade narrowly elliptic, oblong, or ovate-ligulate, 1.3-5 × 0.6-2 cm, thickly leathery or fleshy, apex obtuse or acute, sometimes retuse. Scape from base of pseudobulb, erect, 3.5-13 cm; peduncle slender, base with a few sheaths; umbel 3-5-flowered; floral bracts lanceolate, ca. 3 mm, apex acuminate. Pedicel and ovary 6-7 mm. Flowers yellow, tinged with purplish red. Dorsal sepal ovate, concave, ca. 5 × 3 mm, margin fimbriate-ciliate, apex acute to subcaudate; lateral sepals linear, (16-)20-30 × 2-3 mm, twisted near base, their lower edges ± connate to each other forming an elliptic synsepal, free and divergent toward apex, entire or shortly ciliate. Petals obliquely ovate-triangular, 3-4 × 1.5-2.5 mm, margins usually fimbriate-ciliate, sometimes densely finely papillate on both surfaces, 3-veined, apex acute; lip slightly recurved, ligulate, ca. 2.5 mm, fleshy, glabrous, obtuse. Column ca. 1.5 mm; foot ca. 1.5 mm, with free part ca. 0.5 mm; stelidia subulate, ca. 0.8 mm; anther cap with many dentate projections. Fl. unknown.

Tree trunks in forests; 500-3000 m. S Anhui, Guangxi, Hainan, Taiwan, S Yunnan [Vietnam].


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