生活型

shrub

形態特徵

• An erect shrub, 50–150 cm high.
• Leaves simple, ovate to oblong, acute, 7–16 cm long, the lower surface pubescent; stipules lanceolate, acute, 5 cm long.
• Racemes axillary and terminal, composed of numerous, large rounded or reniform bracts, distichously arranged in a zig-zag line, each enclosing cymes of flowers; calyx 5-cleft, the teeth lanceolate; corolla yellow-green, 8 mm long.
• Pods oblong, turgid, 10 mm long, 2-seeded.(fruit寬seed徑=14:10)

分布

• 台灣 : In the roadside, grassland or thickets, at elevation below 500 m high, mainly in southern part.
• 世界 : India, China and Malaysia

引證標本

TAINAN: Wushantou, Huang 2279*. KAOHSIUNG: Chishan, Huang 2402; Hsienkeng-shan, Huang & Huang 15138.

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: 284-288. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)