生活型

herb

形態特徵

• An erect, branched, perennial herb, pubescent, about 30–60 cm tall, usually rooting at the nodes; stipels absent; stipules conspicuous, adnate to the petioles like ochra, forming a sheath, clothed with long hairs.
• Leaves palmate, trifoliolate; leaflets linear-oblong, acute, cuspidate, 2–3 cm long, the upper surface glabrous, the lower surface pubescent.
• Flowers yellow-orange, 10–12 mm long, in terminal and axillary heads; calyx tubular, the teeth acuminate, clothed with bristle-like hairs.
• Pods oblong, 1–2-jointed, indehiscent.

分布

• 台灣 : Naturalized.
• 世界 : A native of Cental and S. America.

引證標本

PINGTUNG: Lunglantan, Huang et al. 14655.

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: 367. .  (Fl. Taiwan 2nd edit.)