生活型

vine

形態特徵

• Branches striate, terete, hispid, the hairs yellowish, reflexed.
• Leaves trifoliolate, long petiolate, broadly triangular, the terminal leaflet rhomboid-ovate, 8.5 cm long, 5 cm broad, hispid on both sides, trinerved at the base; petiolules 3 mm long; stipules lanceolate, coriaceous, reflexed, 2–4 mm long, the rachis 2 cm long, the lateral leaflets a little larger than the terminal one, obliquely ovate; petioles 7 cm long; stipules oblong, 1 cm long including auricles.
• Pseudoracemes axillary, 3 cm long, long-pedunculate; peduncles 13 cm long, reflexly pilose; pedicels 1 cm long; bracts nearly equal to the stipules; 2-bracteolate at the apex of the pedicels; bracteoles lanceolate, 4.5 mm long, acuminate; calyx broadly campanulate, 3 mm long, shortly 2-lobed, denticulated ciliolate on the margins, the upper-lobe broadest, emarginate, the lower lobe 3-lobulate, the lobules triangular, acute.
• Pods linear, scabrous.

分布

• 台灣 : In wasteland, grassland, at elevation below 1500 m high, throughout the island.
• 世界 : Southeastern Asia, Australia, New Caledonia, New Hebrides, Fiji, Japan, and the Ryukyus;

引證標本

TAIPEI: Chintang, Huang 1705. MIAOLI: Cholan, Huang 1733. NANTOU: Puli, Huang 1937. CHIAYI: Chuchi, Huang 14012. KAOHSIUNG: Chishan, Huang 2423; Sun Valley, Huang 14478. PINGTUNG: Nanjenshan, Tateishi et al. 18487; TAITUNG: Lanyu, Huang 9472, Huang 2773*. HUALIEN: Antungshan, Huang 1696; Nungyeh, Huang & Huang 14132.

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: 160. 1993.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)