长角豆 chang jiao dou

Trees, 15-16 m tall. Leaves 8-17 cm; leaflets 2-4 pairs, shiny, obovate or suborbicular, 3.5-5.5 × 3-3.5 cm, leathery, glabrous, lateral veins conspicuously raised, base cuneate or broadly cuneate, margin entire, apex rounded, emarginate, or conspicuously cordate depressed. Raceme with rachis densely yellowish brown pubescent. Flowers reddish. Legume curved, 10-25 × ca. 2.5 cm. Fl. Nov.

Cultivated in Guangdong (Guangzhou) [native to the E Mediter­ranean; widely cultivated and naturalized].

The dried legumes are rich in sugar; the seeds contain a useful gum, tragasol.