生活型

herb

形態特徵

• An erect, stout herb, 40–80 cm high; branches zigzag-form, 4-angled.
• Leaves simple, broadly elliptical, 5–12 cm long, 2 cm wide, the apex apiculate, the base acute, with prominent veins; stipules foliaceous, ovate-lunate.
• Racemes terminal, 10–20-flowered; bracts linear, minute; calyx 0.7–1 cm long, long hairy; corolla twice as long as the calyx, purple.
• Pods oblong, 2.5–3.5cm long, 1 cm wide, long hairy, 10–20-seeded.(seed 4*2mm)

分布

• 台灣 : In wasteland, roadside, at elevation of below 500 m high, in central and southern part.
• 世界 : Tropical Asia.

引證標本

CHANGHUA: Tienchung, Huang 284*. TAINAN: Nanhua, Huang 3303. KAOHSIUNG: Sun valley, Huang 14492; South Cross Highway, Huang 6598. PINGTUNG: Laofoshan, Huang 2389.

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: 236-239. .  (Fl. Taiwan 2nd edit.)