生活型

herb

形態特徵

• An erect occasionaly decumbent herb, with ascending wiry branches, 10–60 cm high, more or less pubescent.
• Leaves 3–10 cm long, 0.8–1.2 cm wide; leaflets 30–60 pairs, linear, falcate, 3–10 mm long, mucronate; petiolar gland hardly prominent; stipules large, linear, subulate, persistent.
• Inflorescence 1–3-flowered; sepals yellow, lanceolate, 5–6 mm long, acute; petals obovate, obtuse; stamens 10.
• Pods linear, flat, 1.5–3.5 cm long, curved. Seeds 15–26.(量圖seed 2.18*1.43mm)

分布

• 台灣 : Naturalized in open places throughout the whole island.
• 世界 : India, S. China, Malaysia and Australia.

引證標本

TAIPEI: Chingtan, Huang 7971; Wanfang, Huang 3253*. NANTOU: Tunyuan, Huang 5686; Puli, Huang & Huang 13148. KAOHSIUNG: Tenchu, Huang 14393. PINGTUNG: Oluanpi, Huang et al. 14654.

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: 180. .  (Fl. Taiwan 2nd edit.)