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

2. Cephalantheropsis halconensis (Ames) S. S. Ying, Coloured Ill. Fl. Taiwan. 3: 622. 1988.

铃花黄兰 ling hua huang lan

Phaius halconensis Ames, Philipp. J. Sci., C, 2: 323. 1907; Calanthe kooshunensis Fukuyama; Cephalantheropsis calanthoides (Ames) T. S. Liu & H. J. Su; C. gracilis (Lindley) S. Y. Hu var. calanthoides (Ames) T. P. Lin; Gastrorchis calanthoides (Ames) Z. H. Tsi, S. C. Chen & K. Mori; Phaius calanthoides Ames; P. gracilis (Lindley) S. S. Ying var. calanthoides (Ames) S. S. Ying; P. longipes (J. D. Hooker) Holttum var. calanthoides (Ames) T. P. Lin.

Plants 30-40 cm tall. Stem erect, cylindric, to 40 cm, ca. 5 mm in diam., several noded (internodes 3-5 cm), with several tubular sheaths toward base, 4-7-leaved above. Leaves narrowly oblong or oblong, 12-24 × 1.8-4 cm, base contracted and decurrent into sheaths, apex shortly acuminate. Inflorescence solitary, erect or ascending, slender, usually 20-35 cm, densely puberulent; peduncle with 3 or 4 scattered sheaths; rachis 6-14 cm, laxly 6- to more than 10-flowered; floral bracts caducous. Flowers nodding, not opening widely, white to pale yellow, all parts turning orange with age, lip white to pale yellow with a central yellow patch; pedicel and ovary ca. 15 mm. Sepals connivent, similar, ovate-lanceolate, 8-9 × 3.2-4 mm, outer surfaces puberulent, 3-veined, apex acute to shortly acuminate. Petals ovate-oblong, 8-9 × 3-5 mm, glabrous, 3-veined, apex acute; lip spreading, oblong-obovate, 6-8 × 4-5 mm, 3-lobed above middle; lateral lobes erect, oblong, ca. 2 mm, without terminal auricles, apices subtruncate and irregularly incised; mid-lobe transversely oblong, ca. 1.5 × 4-4.5 mm (excluding claw), shortly clawed at base, margin usually strongly undulate, apex slightly emarginate; claw at base of mid-lobe ca. 1 mm; disk with a pair of yellow lamellae and many yellowish brown papillae between them. Column ca. 4 mm. Fl. Oct-Nov. 2n = 40.

Damp places in broad-leaved forests; 500-1300 m. Taiwan [Philippines].


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