herb, 70 cm. tall. Stem erect. Leaves unifoliate, alternate, elliptic-oblong, apex rounded, base rounded, petioles short. Inflorescences panicle, terminal and axillary. Calyx tube green, calyx lobes 5, green. Corolla papilionaceous form, 5, free, Standard yellow with orange hue, wings yellow, keels pale yellow. Stamens 10, connate, filament greenish above. Fruits lomentum, upright, green, drying brownish. Seeds numberous.