鹿角兰（植物分类学报）
白花鹿角兰（中国高等植物图鉴）
Pomatocalpa spicatum Breda, Gen. Sp. Orch. Asclep. 3: t. 15. 1827; S. Y. Hu in Quart. J. Taiwan Mus. 28 (1, 2): 146. 1975; Seidenf. in Opera Bot. 95: 110, fig. 66. 1988; Averyanov, Vasc. Pl. Syn. Vietnam. Fl. 1: 145. 1990; Seidenf., l. c. 114: 379. 1992; Seidenf. et J. J. Wood, Orch. Penins. Malay. Singap.: 613, fig. 279 (a-g). 1992; Averyanov, Iden. Guide Vietnam. Orch.: 325. 1994; Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 33 (6): 589. 1995; Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China: 110, pl. 258. 1997; 中国兰花全书: 65. 1998. ——Cleisostoma wendlandorum Rchb. f. in Allg. Gartenz. 24 (28): 218. 1856. ——Pomatocalpa wendlandorum (Rchb. f.) J. J. Smith in Nat. Tiidschr. Nederl. Ind. 72: 108. 1912; 中国高等植物图鉴 5: 764.图8358. 1976; 海南植物志4: 264. 1977.
Epiphytic on tree trunks in forests. S and W Hainan [Bhutan, India (including Andaman Islands), Indonesia, Laos, Malaysia, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam]. |
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Stems erect, 2-3 cm, stout. |
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Leaves 5 or 6; leaf blade dark green, broadly lorate or falcate-oblong, 20-31 × 2.5-3.5 cm, leathery, margin ± undulate, apex unequally bilobed. |
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Inflorescences 2 or 3, lateral, pendulous, 3.5-6 cm, unbranched and racemose or occasionally with 1 or 2 branches; rachis fleshy, ribbed, densely many flowered; floral bracts reflexed, broadly ovate-triangular, ca. 1 mm, acute, often adnate to rachis. Flowers waxy yellow, rather fleshy, dorsal sepal with 2 brown bands at base, lateral sepals with U-shaped brown spots at base and with 2 brown bands above middle, petals with 2 brown bands at base; pedicel and ovary ca. 2.5 mm. Dorsal sepal obovate, ca. 5 × 2 mm, apex rounded; lateral sepals incurved, slightly obliquely obovate, ca. 4.5 × 2.5 mm, obtuse-rounded. Petals obovate-elliptic, ca. 3 × 1.8 mm, obtuse; lip spurred at base, 3-lobed; lateral lobes erect, ovate; mid-lobe reniform-triangular or subrhombic, ca. 1.5 × 1.5 mm, fleshy, apex obtuse; spur subglobose, ca. 2 × 2 mm, inside with a ligulate bilobed-tipped appendage on back wall and a pair of calli near base of disk. Column ca. 2 mm; rostellum ovate-triangular, ca. 0.4 mm; stipe ca. 1.2 mm, narrow; viscidium ca. 0.5 mm, subelliptic, one end broadly emarginate. Fl. Apr. 2n = 38. |
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