生活型

herb

形態特徵

• Plants 10-20 cm tall. Tuberoids stoloniform, 2-6 cm long, 2-5 mm thick, tapering toward apex, with bud producing from near apex. Stem ridged, with one or two large leaves near base and few successively smaller leaves in upper part.
• Large leaves more or less petiolate, oblong-elliptic, 2-6 cm long, 1-3 cm wide, acute or obtuse at apex, base cuneate.
• Inflorescence 3-8 cm long, 5-15-flowered; bracts lanceolate, 6-12 mm long, 3-5 mm wide, acute; pedicel and ovary 7-10 mm long. Flowers white; dorsal sepal concave, ovate or nearly orbicular, 2.5-3 mm long, 2-2.4 mm wide, obtuse, 1-nerved, sometimes slightly keeled abaxially; lateral sepals spreading horizontally, obovate-elliptic, slightly oblique, 4-5 mm long, 2-3 mm wide, apex obtuse, narrowed or cuneate at base, often concave at upper part and keeled abaxially; petals loosely connivent with dorsal petal, obliquely ovate, 2.5-3.5 mm long, 1.8 mm wide; lip oblong, 4-5.5 mm long, 2 mm wide, obtuse or rounded at apex, reflexed, spur short cylindrical, 3 mm long, apex rounded, slightly curved forward; column 1.5-2 mm tall; anther cells rather close, nearly parallel, staminodes whitish, nearly globose; pollinia ellipsoid, 1.2 mm long, caudicle ca. 0.6 mm long, viscidium globose or ellipsoid; stigma protruding between anther cells, rostellum convex, roofshaped.

分布

• 台灣 : coniferous, mixed coniferous and broadleaved forests, 1600-3500 m, throughout. Epecially common under forests of <i>Abies kawakamii</i>.
• 世界 : Japan.

引證標本

TAIPEI: Lalashan, Matuda s. n. Jul 1918. ILAN: Nanhutashan, Su 1169*; Su 7264. MIAOLI: Luchangtashan, Masamune s. n. Jul 1930. TAICHUNG: Hsehshan, Su 7936; Su 8007. NANTOU: Hohuanshan, Su & Chen 7936. Yushan, Su 9390. HUALIEN: Pilushan, Su et al. 9378. KAOHSIUNG: Kuanshan, Sasaki s. n. Jul 1932; Kuanshanling, Lin 466. PINGTUNG: Peitawu, Su et al. 9359.

參考文獻

• SU, Horng-Jye. 2000. Flora of Taiwan, second edition 5: 1011. (Fl. Taiwan 2nd edit.)