Descriptions : Herb Annual-biennual herb: 90-200 cm tall, twig green-purple, prickle scattered over the stem. Leaves: even-pinnate compound, stipulate, alternate. rachis 10-20 cm long, Leaflet; petiolute 0,2-0.6 cm, stipellate, opposite, oblong, crenate, round, entire, 1.5-2 x 0.9-1.8 cm. Inflorescence; racemose type, terminal or axillary, bract,10-15 cm long. Flowers pedicel 3-5 mm long, 3.5 mm, perfect. Sepals 5, synsepalous, tubular, green. Petals 5, polypetalous, (papilionaceous), banner, bright yellow with dark purple or brown dots scatter on the central part, 10-12x8-12 mm emarginate, wings 2, yellow, 3-5 mm x 7-9 mm, keels 2, tubular form, enclose in the inner part(stamen and pistil), white-green. Stamens 9+1, diadelphous filament, white, 7-9 mm long curved, anthers yellow. Ovary simple, superior, 4-6 mm long, 1 carpel, 1 locule, green; stigma capitate; parietal placentation. Fruit: leguminous, capsule, cylindrical, 2-3 mm wide, 15-25cm long. Seeds 10-15, tubular , 3-5 mm x 1-2 mm.