足柱兰（植物分类学报）穗花兰（台湾兰科植物），黄穗兰（台湾植物志）
Dendrochilum uncatum Rchb. f., Bonplandia 3: 222. 1855; Ames., Orch. 2: 108. 1908; H. J. Su in Quart. J. Chin. For. 21 (1): 116. pl. 1. 1988. ——Platyclinis formosana Schltr. in Bull. Herb. Boiss. ser. 2, 6: 302. 1906. ——Dendrochilum formosanum (Schltr.) Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 185. 1919; 台湾兰科植物1: 155-156 (图). 1975; 台湾植物志5: 972.图1586. 1978;台湾兰科植物彩色图志1: 386.图62. 1996.——Dendrochilum. uncatum Rchb. f. var. formosanum (Schltr.) T. Hashimoto in J. Jap. Bot. 57 (1): 26. 1982.
Epiphytic on trees in broad-leaved forests or thickets; 500-1000 m. S Taiwan [Philippines]. |
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Pseudobulbs ± clustered, narrowly ellipsoid or narrowly ovoid, 2-4 × 1-1.5 cm, usually shiny. Leaf blade narrowly elliptic to linear-oblong, 8-15 × 1.5-3 cm, base cuneate, apex acuminate or acute; petiole 1-4 cm. |
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Inflorescence 10-15 cm, together with young pseudobulb and leaf, arising from rhizome near base of last pseudobulb, arching or nodding, slender; rachis often slightly flexuose, 20-30-flowered; floral bracts ovate, 3-4 mm. Flowers distichous, yellowish; pedicel and ovary ca. 3 mm. Sepals narrowly elliptic or oblong, 6-7 × 2-4 mm. Petals oblong or elliptic, 5-6 × 2-3 mm; lip lyrate, ca. 5 × 3 mm, shortly clawed at base, 3-lobed; lateral lobes lunate, very small; mid-lobe obovate, ca. 3.3 × 2.5 mm; disk with 2 short longitudinal ridges near base. Column ca. 2 mm, stelidia arising from middle. Capsule globose, less than 1 cm in diam. 2n = 30. |
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