Aeschynomene indica is a species of flowering plant in the legume family. Common names include Indian jointvetch, kat sola,budda pea, curly indigo, hard sola, northern jointvetch,indische Schampflanze (German), angiquinho, maricazinho, papquinha, pinheirinho (Brazilian Portuguese),he meng (Chinese), kusanemu (Japanese), and ikin sihk (Pohnpeian).
"Erect, annual herbs upto 1 m tall; branchlets glabrous to hispid. Leaves 4-10 cm long; leaflets 15-30 pairs, subsessile, 2.5-7 x 1-2 mm, linear-oblong or elliptic-oblong, base oblique, apex obtuse, apiculate; stipules 5-10 mm long, lanceolate, acuminate, peltate. Flowers 7-10 mm long in 1-4-flowered axillary racemes; pedicel to 5 mm long; bracts c. 5 mm long, ovate, acuminate, bracteoles 2-3 mm long, c. 1 mm wide, ovate-lanceolate. Calyx 4-5 mm long, deeply 2-lipped, glabrous. Corolla exserted, pale yellow; standard orbicular, red-striped; wing obovate; keel to 7x3 mm, oblong. Staminal sheath to 4 mm long. Ovary to 6 mm long; ovules many; style c. 3 mm long. Pods 2.5-3.7 x 0.4-0.5 cm, linear, compressed, straight or curved with 4-8 joints, long stalked, sometimes muricate. Seeds 2.5-3.5 mm long, reniform, dark brown."