台湾异型兰（中国兰花全书）
梅兰（台湾兰科植物彩色图鉴）
Chiloschista segawai (Masamune) Masamune et Fukuyama in Bot. Mag. Tokyo 52: 247. 1938; 台湾兰科植物1: 104-105 (图). 1975; 台湾兰科植物彩色图鉴 1: 106.图32. 1977; 台湾植物志 5: 924. 1978; 中国兰花全书: 61. 1998. ——Sorchochilus segawai Masamune in Trans. Nat. Hist. Soc. Formos. 24: 212. 1934. ——Thrixspermum segawai Masamune, l. c. 24: 212. 1934.
Epiphytic on tree trunks in forests; 700-1000 m. S Taiwan. |
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Stems inconspicuous, leafless, with roots to 35 cm. |
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Inflorescence often pendulous, racemose, 5-15 cm, 6-15-flowered; peduncle and rachis densely pubescent; floral bracts ovate-triangular, 3-5 mm, membranous, glabrous or sparsely pubescent. Flowers slightly fleshy, whitish green or yellow, sometimes with brownish red patches near base of sepals and petals, lateral lobes of lip striped brown; pedicel and ovary 4-5 mm, pubescent. Dorsal sepal nearly broadly elliptic, 3-5 × 2.5-4 mm, glabrous or sparsely pubescent abaxially, subobtuse; lateral sepals slightly oblique, broadly ovate or elliptic, 4.5-6 × 3.5-4 mm, sparsely pubescent near abaxial base. Petals elliptic, 4-6 × 3.5-4 mm, obtuse; lip 5-6 mm, base saccate, 3-lobed; lateral lobes erect, falcate-oblong, rounded; mid-lobe very small, thick, retuse, base with a longitudinal callus running into bottom of sac; callus bilobed, pubescent, grooved; sac 2-3 mm. Column ca. 1 mm, foot ca. 3 mm; anther cap with 2 filiform appendages on both sides. Fl. Apr-May.
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