生活型

herb

形態特徵

• Perennial epiphyte. Plant often tufted and pendulous. Stems short, concealed by leaf sheaths, less than 3 cm long.
• Leaf 5-8, distichous, laterally compressed, narrowly ensiform, fleshy, variable in size, the largest ones 6-13 cm long, 0.3-0.5 mm wide, base jointed, apex sub-falcate.
• Inflorescence 5-10 cm long; peduncle short, 1.5-3 cm long, terete, with many small bracts; flowers numerous, arranged in whorls, forming a cylinder ca. 6 mm in diam. Bracts ovate-lanceolate, 2-2.5 mm long, 1-1.3 mm wide. Pedicel and ovary 1-2 mm long, finely ridged. Flowers minute, whitish or sometimes tinged with orange, ca. 1.5 mm in diam. Sepals spreading, subequal, entire, ovate- triangular, 0.7-0.8 mm long, 0.4-0.5 mm wide. Petals spreading, subentire, elliptic-oblong, 0.7-0.8 mm long, ca. 0.2 mm wide. Lip spreading, more or less perpendicular to ovary, slightly concave, ovate, nearly unlobed, base truncate, apex retuse, margin irregularly laciniate; the laciniate lobulets progressively deeper towards the apex. Column short, globular, ca. 0.3 mm long. Pollinia 4, in 2 pairs.
• Capsules ellipsoid, ca. 2 mm long.

物候

Flowers observed in August; fruits matured in September to October.

分布

• 台灣 : Presently known at elevations of 1000 to 2000 m a.s.l. in the central and southern mountainous regions. Plants are usually found in moist forests along streams, growing as an epiphyte on branches of broadleaf trees or on vines.

引證標本

Pingtung County, Chaozhoujun, Aug 1937, K. Segawa s. n. (holotype, TAIF 117872), here designated. Nantou County: Xingaojun, 25 Jun 1934, K. Segawa s. n. (TAIF); Ruan-an, ca. 1400 m, 27 Aug 2006, T. -C. Hsu 567 (TAIF); Hsitou, 31 Jan 1986, H. -J. Su 6953 (HAST). Chiayi County: Chiehtung Trail, ca. 1000 m, 15 Dec 2004, P. -F. Lu 8854 (TAIF). Kaohsiung County: Zhonzhiguan, 3 May 1936, K. Segawa s. n. (TAIF); Sanhexi, 21 Jan 1934, K. Segawa s. n. (TAIF).