生活型

herb

形態特徵

• Stems 40-60 cm tall, slender, leafless basally but with 1 or 2 sheaths.
• Leaves 3-5, spreading, oblong, 4-9 cm long, 1.5-4 cm wide, apex acute or obtuse, base contracted, sheathing, many nerved.
• Raceme 7- 12 cm long; bracts lanceolate, lower ones 4 cm long, 0.7 cm wide, upper ones shorter and narrower; pedicel and ovary 1-1.2 cm long, short pubescent. Flowers ca. 10, greenish; sepals subequal, ovate, 7-8 mm long, 3-4 mm wide, subacute, keeled abaxially, lateral ones slightly oblique; petals similar to sepals, apex cuspidate, keeled abaxially; lip 7 mm long, hypochile nearly orbicular, 4-4.2 mm across, deflexed, shallowly saccate, epichile ovate to subcordate, 2.8-3 mm long, 3.5 mm wide, apex short acuminate, calli retrorse, nearly orbicular, ca. 1 mm across; column 2.5 mm long; anther oblong-cordate, about 3 mm long.
• The typical subspecies has larger flowers, with sepals 8-13 mm long, and the hypochile nearly equal in length to the epichile. Subspecies <i>ohwii</i> has the sepals and petals distinctly keeled abaxially and ca. 7- 8 mm long, and the hypochile 1.5 times as long as the epichile.

分布

• 台灣 : alpine grasslands and sparse forests, 2,000-3,000 m.
• 世界 : Subspecies <i>helleborine</i> is in temperate Europe and Asia, China and the Himalaya; subspecies <i>ohwii</i> is endemic to Taiwan.

引證標本

TAICHUNG: Shuehshan, Su 8008*. ILAN: Nanhutashan, Su 8311.

參考文獻

• SU, Horng-Jye. 2000. Flora of Taiwan, second edition 5: 861. (Fl. Taiwan 2nd edit.)