滇西槽舌兰（新拟）
Holcoglossum rupestre (Hand. -Mazz.) Garay in Bot. Mus. Leafl. Harvard Univ. 23 (4): 182. 1972; Christenson in Not. Bot. Gard. Edinb. 44 (2): 255. 1987. ——Vanda rupestris Hand. -Mazz. in Anz. Akad. Wiss. Wiem Math. -Nat. 62: 241. 1925; Hand. -Mazz., Symb. Sin. 7: 1359. 1936.
Epiphytic on Quercus in mixed forests; 2000-2400 m. NW Yunnan.
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Leaves many; blade terete, 12-28 cm × 2-2.5 mm, fleshy, acuminate. |
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Plants erect. Stems ca. 2 cm, base with many roots to 50 cm.
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Inflorescence ascending, 5-10 cm, 2-10-flowered; peduncle with several ovate sheaths; rachis soft, slender; floral bracts persistent, ovate, ca. 1 cm. Flowers opening widely, ca. 3 cm in diam., sepals and petals white, lip with yellowish callus at base; pedicel and ovary 2.5-3.5 mm. Dorsal sepal subelliptic, ca. 12 × 7 mm, obtuse; lateral lobes slightly oblique, oblong, ca. 12 × 7 mm, dorsally carinate, apex obtuse. Petals subovate-elliptic, ca. 10 × 5.5 mm, obtuse-rounded; lip spurred, 3-lobed; lateral lobes erect, subobovate, slightly unequally bilobulate; mid-lobe ovate, 11-12 × ca. 7 mm, with 2 or 3 small crested basal appendages, margin ± undulate, apex rounded; spur bent forward, nearly cylindric, ca. 8 × 2 mm, narrowed toward tip, acute. Column ca. 5 mm, slightly enlarged toward apex. Fl. Jun. |
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