生活型

herb

形態特徵

• Stems ca. 2 cm long.
• Leaves nearly distichous, elongate oblong or linear-oblanceolate, 4-8 cm long, 5-20 mm wide, apex obtuse or acute or sometimes minutely bifid at apex, base cuneate.
• Peduncle flexuous, suberect or pendulous, 5-8 cm long, slender; rachis slightly dilated; bracts triangular ovate, 2 mm long; pedicel and ovary 4-6 mm long. Flowers 3-8, loosely spaced, white or rarely pale yellow, sometimes tinged with purple; dorsal sepal oblong, 6-8 mm long, 3-5 mm wide, obtuse; lateral sepals obovate, 6-8 mm long, 3-5 mm wide, slightly oblique, obtuse; petals linear-falcate, 5-6 mm long, 2 mm wide, obtuse or rounded at apex, contracted at base; lip saccate, 3-lobed, ca. 4-6 mm long, sac rounded but often cleft at base, lateral lobes falcate, 3 mm long, with brownish lines inside, midlobe brownish orange, triangular, dilated into a thick callus; disc with a basal callus, callus with dense yellowish hairs; column less than 2 mm long, foot shorter, often with brown blotches.
• Capsules linear-cylindric, 5-7 cm long.

分布

• 台灣 : usually in forests below 1,200 m in the central and southern mountainous regions.

引證標本

NANTOU: Chitou, Su 8192; Hoshe, Su 7763. KAOHSIUNG: Wanshan, Su & Chen 8960; Sanping, Lin 114. HUALIEN: Hueiyen, Su 9450.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 1051. 2000.  (Fl. Taiwan 2nd edit.)