Aeschynomene indica L.

Annual herb or shrublet, 1−2.5 m tall; stems erect or decumbent, glabrous to hispid. Leaves paripinnate, alternate; petioles 4−5 mm long; stipules oblong-triangular, peltate-appendiculate, glabrous or somewhat hispid at the point of attachment, striate, 10−15 by 1−1.5 mm, caducous; rachis up to 1.5 mm long. Leaflets 60−80 pairs, alternate; petiolules ca. 0.5 mm long; lamina elliptic-oblong, 2−10 by 1−2.5 mm, apex rounded, base oblique, margin entire, glabrous, with 1 primary vein, inconspicuous above, conspicuous beneath. Inflorescences with peduncles 3−8 cm long, axillary or terminal, racemose, 1−4-flowered, ca. 2.5 cm long, axes asperous 1−4-flowered as on the petioles; bracts thin, 5 by 1−2 mm, ovate-oblong, apex acute, base cordate; bracteoles 2−4 by 1 mm, lanceolate-ovate, apex acute. Flowers 7−10 mm long. Calyx glabrous, bilabiate, 4−6 mm long. Petals yellow, sometimes almost white, glabrous; standard broadly elliptic, c. 2 mm long, apex rounded, base clawed; wings obliquely obovate, 2 by 5−8 mm; keel asymmetrically ovate-oblong, 2.5−4 by 4−5 mm. Stamens 8−9 mm long, glabrous. Ovary flattened. Pods 5−6 cm long, straight, abaxial suture straight, 5−12 quadrate articles; articles 5−6 by 3−6 mm, glabrous to hispid. Seeds reniform, 3−4 by 2−3 mm, dark brown.