生活型

herb

形態特徵

• A perennial herb; stems slender, twining, somewhat covered with appressed hairs.
• Leaves trifoliolate; leaflets lanceolate, 6–10 cm long, both surfaces with brownish hairs; stipules broad, lanceolate, 3–4 mm long, basifixed; peduncles axillary, 10–20 cm long.
• Flowers large, reddish-purple, 2–2.5 cm long, 2–4 on the top; calyx 8–10 mm long, silky, the teeth lanceolate, as long as the tube.
• The variety has larger seeds, about 5 mm long, 4 mm wide.

分布

• 台灣 : In grassland, margin of bush, at elevation between 1,000 and 1800 m high, in the central mountain area.
• 世界 : Tropical Africa, India, Malesia, China, and Australia; var. tsusimensis Japan, Korea, China, and Taiwan.

引證標本

NANTOU: Lushan-Tungyuan, Huang 1828. KAOHSIUNG: Tengchu, Ohashi et al. 13090.

參考文獻

• Huang, S. F. & T. C. Huang, Taiwania 32(1): 11-118. 1987.
• Huang, S. F. & T. C. Huang, Flora of Taiwan, second edition 3: 393. .  (Fl. Taiwan 2nd edit.)