生活型

herb

形態特徵

• Plants 30-40 cm tall. Rhizome, bearing fascicle roots and leaves.
• Leaves linear-oblong, 5-15 cm long, becoming much longer in tall grass clumps, 5-8 mm wide, fleshy, apex acute, base truncate in radicle ones and attenuate in cauline ones, with 3 main veins, veinlets reticulate.
• Peduncle 1-4, glabrous, 10-35 cm tall, with 2-3 sterile bracts; rachis 5-15 cm long, with few to many spirally arranged flowers; floral bracts lanceolate. Flowers white or pink; ovary pale green, curved at apex; sepals narrowly lanceolate, 4.5-5 mm long, dorsal one concave at base, lateral ones oblique and slightly gibbose at base; petals oblanceolate, 3.5-4 mm long; lip separated from column base, oblong when expanded, concave and short clawed at base, bearing 2 clavate calli at each side, erect and slightly inflexed at middle, ovate or rounded at apex, apex recurved, with crispate margins, disc hairy; column erect, clavate, 1.8-2.1 mm long; anther broadly ovoid, 0.7 mm long; pollinia ca. 1mm long; stigma orbicular, slightly convex; rostellum thin, triangular-lanceolate, lower margins toothed; viscidium narrowly oblong.

分布

• 台灣 : common in moist grasslands below 1,000 m, throughout.
• 世界 : Siberia, China, Japan, Indochina, India, Malay Peninsula and the Philippines southward to New Zealand and Tasmania.

引證標本

TAIPEI: Natl. Taiwan Univ., Leou 3785; Su 1570. ILAN: Tatung, Leou 3770; Nanshem, Huang 7680. HUALIEN: Chingshui, Su & Chen 9317. NANTOU: Yunhai, Kao 5812. PINGTUNG: Nanjenshan, Su 7848. TAITUNG: Lanyu Is., Huang et al. 9299.

參考文獻

• SU, Horng-Jye, Flora of Taiwan, second edition 5: 1034. 2000.  (Fl. Taiwan 2nd edit.)