大苞兰（中国兰花全书）
Sunipia scariosa Lindl., Gen. Sp. Orch. Pl.: 179. 1833; Hook, f., Fl. Brit. Ind. 5: 772. 1890; Banerji et Thapa in J. Bambay Nat. Hist. Soc. 66: 296. 1969; Seienf. in Opera Bot. 124: 55. 1995. ——Ione scariosa (Lindl.) King et Pantl. in Ann. Bot. Gard. Calcutta 8: 161. pl. 219. 1898; Tuyama in Fl. East Himal. 3: 157. 1975. ——Sunipia racemosa (J. E. Smith) T. Tang et F. T. Wang in Acta Phytotax. 1 (1): 47, 90. 1951 (excl. basonym. Stelis racemosa J. E. Smith); Seidenf. in Opera Bot. 89: 182, fig. 124. 1986, et l. c. 114: 318. 1992; Averyanov, Iden. Guide Vietnam. Orch.: 287. 1994: Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China: 113, pl. 277. 1997.
Tree trunks in open forests; 800-2500 m. S and W Yunnan [NE India, Myanmar, Nepal, N Thailand, N Vietnam].Type specimens from Nepal.
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Rhizome creeping, stout, ca. 4 mm in diam. Pseudobulbs ca. 4 cm apart on rhizome, ovoid or obliquely ovoid, 2-3 cm, ca. 1.5 cm in diam., with 1 leaf at apex. |
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Petiole ca. 1.5 cm; leaf blade oblong, 12-16.5 × ca. 2 cm, leathery, base contracted into petiole, apex obtuse and retuse. |
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Scape to 33 cm; raceme ± nodding, more than 10-flowered; peduncle 8-23 cm, 2-3 mm in diam., sparsely with 3-5 tubular sheaths; floral bracts regularly distichous, broadly ovate, cymbiform, ca. 7 × 6 mm, membranous, apex acute. Pedicel and ovary ca. 2 mm. Flowers small, enclosed in floral bracts, pale yellow. Dorsal sepal ovate, concave, ca. 4.5 × 3 mm, apex acute; lateral sepals obliquely ovate, ± V-shaped-conduplicate, ca. 6.5 × 2.5 mm, with 1 vein, their lower edges connate to each other, apex acute. Petals obliquely ovate, ca. 3 × 2.2 mm, 1-veined, abaxial base with 1 fleshy ligulate appendage, margins denticulate, apex obtuse; lip ligulate, ca. 4.5 × 2 mm, fleshy, adaxial base with a channel and a keel in it, apex obtuse. Column ca. 2 mm; foot inconspicuous; 2 pairs of pollinia with 1 common Y-shaped stipe and a single viscidium. Fl. Mar-Apr.
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