生活型

herb

形態特徵

• A herb; stems slender and prostrate, pubescent, mostly 30–60 cm long.
• Leaves trifoliolate; leaflets broadly obovate, reniform, 0.5–1 cm long, 0.8–1.2 cm wide, emarginate at the apex, both surfaces often covered with hairs; stipules lanceolate, acuminate, 3 mm long.
• Terminal racemes or panicles 3–18 cm long; calyx campanulate, hairy, with distinct reticulation, the teeth 3 mm long at first, but after flowering, becoming 7 mm long, completely enclosing the fruit.
• Pods usually 2-jointed, each joint 2 mm long, much reticulate.(fruitt長寬seed長寬厚=13:7:11:7:5)

分布

• 台灣 : In the open waste area, grassland in the central and southern part at altitudes of less than 500 m high.
• 世界 : Tropical Asia and Australia

引證標本

KAOHSIUNG: Chinshuiyen, Huang & Huang 12972. PINGTUNG: Lungkeng, Huang 13217; Chialoshui, Huang & Huang 12997. TAITUNG: Hsinwulu, Huang 3215*.

引用文獻

• Huang, S. F. & T. C. Huang, Taiwania 32(1): 11-118. 1987.
• Huang, S. F. & T. C. Huang, Flora of Taiwan, second edition 3: 214. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)