生活型

herb

形態特徵

• An erect perennial herb, up to 2 m high, with many branches, pubescent.
• Leaves trifoliolate; terminal leaflets larger, elliptic acute at apex and base, the margin entire, 4–6.5 cm long, 1.5–2.5 cm wide, hairy on both surfaces.
• Flowers in terminal racemes, up to 20 cm long; calyx unequally divided, lobed, hairy; persistent; corolla yellow, ovate, reniform, round at apex, cordate at base; wing-petals obovate, obtuse at apex; keel-petals elliptic, acute at apex, hairy; style persistent.
• Pods hairy, oblong, 2.5–3.5 cm long, 1–1.2 cm wide; seeds elliptic, clothed with soft hairs attached funiculus.(fruit長seed長寬=40:2.5:1.5)

分布

• 台灣 : Now spreading in northern and central part of Taiwan.
• 世界 : A Venezuelan plant; in the open place, including wasteland, roadside, river bank, river bed, at elevation of below 1500 m high.

引證標本

ILAN: Toucheng, Huang 2100*; Chioshe, Huang & Huang 13122. HSINCHU: Chikunping, Huang et al. 14608. TAICHUNG: Chiapaotai, Huang 1967*; Kukan, Huang & Huang 13317. NANTOU: Wachiatouken, Huang 7877; Sun-Moon Lake, Huang 2102*. KAOHSIUNG: Liukui, Huang et al. 14635. HUALIEN: Hsinchen, Huang 1709.

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: 228-232. .  (Fl. Taiwan 2nd edit.)