指叶毛兰（中国高等植物图鉴）
Eria pannea Lindl. in Bot. Reg. 28: (Misc.) 64. 1842: Rolfe in J. Linn. Soc. Bot. 36: 17. 1903; Kraenzl. in Engler, Pflanzenr. 45 (IV. 50, II. B. 21): 48. fig. 10: A. B. 1911; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 219. 1919; 中国高等植物图鉴5: 708. 图8245. 1976; 海南植物志4: 227. 1977; Seidenf. in Opera Bot. 62: 45. fig. 20. 1982, et 114: 171. 1992. 横断山区维管植物 2: 2585. 1994. ——E. calamifolia Hook. f., Fl. Brit. Ind. 6: 191. 1890. ——Pinalia pannea (Lindl.) Kuntze, Rev. Gen. 2: 679. 1891. ——P. calamifolia (Hook. f.) Kuntze, Rev. Gen. 2: 679. 1891.
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Epiphytic on trees or lithophytic on rocks in forests; 800-2200 m. Guangxi, SW Guizhou, SE Hainan, SE Xizang, SW Yunnan [Bhutan, Cambodia, NE India, Indonesia, Laos, Malaysia, Myanmar, Singapore, Thailand, Vietnam]. |
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Plants small, densely white tomentose when young. Rhizome creeping, elongate, slender, noded. Stems borne 2-5 cm apart on rhizome, terete, 1-2 cm, 3-4 mm in diam., with 3 or 4 leaves near apex. |
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Leaves terete, slightly laterally compressed, 4-20 × ca. 0.3 cm, fleshy, adaxially grooved and often with white hairs along margins of grooves, apex obtuse. |
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Inflorescence arising from between leaves, 3-5 cm, 1-5-flowered; floral bracts ovate-triangular, ca. 6 × 4 mm, obtuse. Flowers vanilla-scented, pale yellow-green, lip dark purplish; pedicel and ovary 7-10 mm. Sepals densely hairy abaxially, yellowish brown (when dried) and sparsely hairy adaxially; dorsal sepal oblong-elliptic, ca. 6 × 3 mm, obtuse; lateral sepals obliquely ovate-triangular, ca. 6 × 5 mm, obtuse. Petals oblong, ca. 5 × 2 mm, both surfaces sparsely white hairy, obtuse; lip subobovate-elliptic, ca. 7 × 4 mm, apical part slightly fleshy, both surfaces white tomentose, margin entire, apex obtuse-rounded, base narrowed and with a linear callus, apex with 1 conspicuous elongate-elliptic callus. Column ca. 1.5 mm, abaxially sparsely white hairy, foot ca. 4 mm. Fl. Apr-May. |
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