生活型

herb

形態特徵

• Plants epiphytic. Rhizomes long creeping, terete, ca. 2 mm in diam. Pseudobulbs 1-2 cm apart, globose to ovoid, 7-10 mm long, 6-9 mm in diam.
• Leaves sessile, solitary at apex of pseudobulbs, elliptic to obovate, 1.8-4 cm long, 1.0-1.5 cm wide, apex obtuse to rounded or slightly retuse, base cuneate, thickly coriaceous.
• Scape arising from base of pseudobulbs, stout, 2-3 cm long, 0.8 mm thick; with 2 enclosed by a tubular sheath from near middle to base, bract with wide oblique opening, 8-9 mm long, minutely spotted; pedicel and ovary 4-5 mm long. Flowers 3-7 in a very short raceme or subumbel; dorsal sepal reddish to orange, tinged with white near the base, with 5 red-brown veins, strongly concave, ovate, 6.0-7.0 mm long, 3-3.5 mm wide, apex acuminate, base contract, long white ciliate on margins except at base, 3-5 mm; lateral sepals reddish to orange, often slightly connate except at apex, linear-oblong, 1.2-1.4 cm long, 2-3 mm wide at base, acute at apex, incurved along margins, short ciliate on margins, sparsely; petals reddish, ovate, 3.5 mm long, 1.5-2 mm wide, acute at apex, with 3 slightly veins, long white ciliate to 5 mm on margins except at base; lip attached to tip of column foot, orange, thickly horn-like, 2-2.5 mm long, strongly recurved, disc with clearly ridges, with minute papillae at base and apex; column whitish-orange, with 2 slender stylids at apex, foot 3 mm long, upcurved; anther cap whitish, semiglobose, slightly erose at base; two pollinia-pairs.

引證標本

Type: Hsinchu: Chudong downtown, Kuanwu, 2000 m, 2004, July 11, epiphytic on Tsuga chinensis, Hsu 500, not common, in Tsuga forest, pathside, middle humidity, semi-shaded (TAIF). Additional specimens examined: Nantou Co., Chushan downtown, Luqushan, elev. ca. 2,000 m, in Chamaecyparis forest on mountain ridges, April 15, 2005, Shih-Wen Chung, 9000.

引用文獻

• Shih-Wen Chung and Tien-Chuan Hsu, Taiwania 51(2): 139. 2006.