香兰（文献专刊）
Haraella retrocalla (Hayata) Kudo in J. Trop. Agr. 2: 26. 1930; 台湾兰科植物1: 198-199 (图). 1975; 台湾植物志5: 1027. 图1609. 1978. ——Saccolabium retrocallum Hayata. Icon. Pl. Formos. 4: 92, fig. 47. 1914. ——Haraella odorata Kudo in J. Trop. Agr. 2: 26. 1930.
Epiphytic on tree trunks in broad-leaved forests; 500-1500 m. Taiwan. |
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Stem 1.5-2 cm, densely rooting at base. |
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Leaves usually 5 or 6; leaf blade falcate-oblanceolate or suboblong, 2.5-4 × 0.5-1 cm, leathery, obtuse or acute, usually bilobed. |
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Inflorescences nearly as long as leaves, 1-4-flowered; floral bracts ovate, small, ca. 2 mm. Flowers yellowish white, with dark red or blackish purple markings on lip, opening widely, thickly textured; pedicel and ovary ca. 1 cm, slender. Sepals similar, ± elliptic-obovate, 8-10 × 3-5 mm, acute. Petals oblique, elliptic-oblong, 8-10 × 2.5-3 mm, base contracted, apex obtuse; lip nearly pandurate, 12-14 × 8.5-10 mm, contracted near middle; hypochile nearly oblate, adaxially pubescent, base with retrorse callus, margin fimbriate-ciliate; epichile suborbicular, adaxially densely hairy at center, margin fimbriate-ciliate, apex rounded or retuse. Column ca. 2.5 mm; anther cap ovoid, apex truncate and irregularly dentate. Fl. Jul-Nov. |
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