生活型

herb

形態特徵

• Erect herb 20-50 cm tall. Stem slender, glabrous, 5-8-foliate.
• Leaves suberect, elliptic-lanceolate, 4- 10 cm long, 0.6-2.5 cm wide, acute or acuminate at apex, contracted at base, many-nerved.
• Raceme, 5- 12 cm long, 3-12- flowered; bracts deltoid, 3-5 mm long, lower ones becoming linear-lanceolate, longer than ovary and pedicel; pedicel and ovary 10-17 mm long, glabrous. Flowers white, perianth subspreading; sepals subequal, oblong, 10-15 mm long, 3-5 mm wide, acute at apex, contracted at base; petals oblong, 10-13 mm long, 3-4 mm wide, acute; lip 3-lobed, 8-12 mm long, 8-10 mm wide when expanded, hypochile with falcate-triangular sidelobes, shallowly saccate at base, with a few raised keels, epichile ovate-triangular, about 4-5 mm long, rounded-obtuse or acute at apex, with 3-5 brownish keels on disc; column 5-7 mm long, glabrous; anther ovate-cordate, 2-3 mm long, papillate outside.
• Capsule elongate-cylindrical, 2-3 cm long.

分布

• 台灣 : in alpine grassland at 2,000-3,000 m.

引證標本

NANTOU: Tatachia, Su 9041; Yushanshan, Su 9113. HUALIEN: Yangtoushan, Su 9524; Tayuling, Ying s. n. May 1988. ILAN: Nanhutashan, Su 7137*; 8310.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 792. 2000.  (Fl. Taiwan 2nd edit.)