生活型

herb

形態特徵

• A trailing herb, up to 70 cm high; stem tetrets, striats green or purple, both straight and uncinate hairy.
• Leaves trifoliolate; stipules narrowly ovate, hairy, caducous; petioles 3–4 cm long, hairy; leaflets elliptic, 4–6 cm long, 2.5–3.5 cm wide, the apex acute, the base cuneate, the margin entire both surfaces hairy.
• Flowers pseudoracemose, terminale or axile, 6 cm long, the bracts large, enclosed the flowers 1 cm long; calyx 5, unequal divided, corolla yellow, pink, white; stamens 10, diadelphous, dimorphic; pistil with multicellular hairs dense on vary; stigma capitate;
• Pods hispid. more than 5-segment constricted on both sutures, 2–3 cm long, 2 mm wide; seeds lunate, with long hilum.(seed長寬=2:1)

分布

• 世界 : Native to tropical America.

引證標本

YUNLIN: Chaolin, Huang 14568*–14573*. KAOHSIUNG: Shanping, Ohashi et al. 13225. HUALIEN: Kuanyin, Huang et al. 14711.

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: 256. .  (Fl. Taiwan 2nd edit.)