生活型

herb

形態特徵

• An annual herb, up to 60 cm tall; stem whitish puberulent;
• Leaves 3–7 cm long, the petiole short, with a solitary sessile gland just below the insertion of the lowest leaflets, the leaflets 30–70, linear-oblong, 8–12 mm long, 2–3 mm wide;
• Flowers supra-axillary, 1–2 together, yellow, the bract similar to the stipules but smaller, the bracteoles on the top of pedicels; calyx-segments lanceolate, acuminate apex; petals obovate; fertile stamens 4 with a reduced minute 5th stamen, the anther truncate, glabrous, about 2.5 mm long, the filaments less than 1 mm long; legumes flat, broadly linear.

分布

• 台灣 : On sunny grassy roadside along margin of forest at altitude of 1,500 to 1,800 m.
• 世界 : Distributed in E. Asia, Taiwan, India and Africa

引證標本

KAOHSIUNG: Tengchu, Ohashi et al. 12773.

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: 180-182. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)