生活型

herb

形態特徵

• An annual herb; stems slender, with many branches and covered with bristles.
• Leaves pinnate, 1.5–3 cm long; leaflets oblong, 6–15 mm long, rounded at the apex, the midribs covered with bristles on the lower surface.
• Flowers yellow, in 1–6-flowered clusters in the axillary racemes; peduncles upright, 1.5–2 cm long; calyx 6–8 mm long, the teeth acuminate, with bristles.
• Pods 4–6-jointed, densely covered with papillae.

分布

• 世界 : Tropical Asia, Australia and Africa.

引證標本

In wet and open place, at elevation below 500 m high, in the central and southern parts.

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: 364. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)