生活型

undershrub

形態特徵

• An erect undershrub, attaining 60–90 cm high; woody branches elongated, with fine densely appressed hairs.
• Leaves trifoliolate; leaflet subcoriaceous, the terminal one oblong or obovate-oblong, 2–3 cm long, 1–2 cm wide, the lateral ones smaller, the apex obtuse, rounded or mucronate, the veins slightly raised on both surfaces, curved upwards near the margins, green glabrous above, grey hairy beneath; petioles 1–1.5 cm long; stipules lanceolate, cuspidate, 10 mm long.
• Flowers crowded in dense terminal pseudoracemes; pedicels glabrous, 3–5 mm long, upwards; bracts ovate, lanceolate, cuspidate or acuminate, margins ciliated, deciduous; calyx-teeth acuminate; corolla 5 mm long.
• Pods erect, crowded, 1.5–2 cm long, 3 mm wide, spreading upward, 4–7-jointed, the joints as wide as long, with raised reticulations and hooked hairs, constricted on lower suture.

分布

• 台灣 : Taiwan, in margin of forest, grassland, roadside or in open thickets, at elevation below 1,500 m high, throughout the island.
• 世界 : Tropical Africa and Asia;

引證標本

TAIPEI: Pinglin, Huang 9081; Yeliu, Huang 1976. ILAN: Nanao, Huang & Huang 13363. NANTOU: Lienhuachu, Huang & Huang 13190. CHIAYI: Lenyitan, Huang 14379; Fushan, Huang 3274. KAOHSIUNG: Tengchu-Chuyungshan, Ohashi et al. 12965; Liukui, Huang 14458. PINGTUN

引用文獻

• Huang, S. F. & T. C. Huang, Taiwania 32(1): 11-118. 1987.
• Huang, S. F. & T. C. Huang, Flora of Taiwan, second edition 3: 255. .  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)