Crotalaria pallida seeds

perennial herb or shrub;
Stem: Stems are cylindrical, with small furrows, densely covered with pubescent hairs;
Leaves: The stipules are extremely small, bristly, and fall early; the leaves are three-pointed, and the stalk is 2-4 cm long; the leaflets are oblong or oval, 3-6 cm long, hairless above, and slightly pubescent below. , clear veins on both sides, small petiole 1-2 mm long;
Flowers: Terminal racemes, 25 cm long, with 10-40 flowers; bracts linear, about 4 mm long, falling early; flower stems 3-5 mm long; calyx nearly bell-shaped, 4-6 mm long , 5-lobed, triangular calyx teeth, about the same length as the calyx tube, densely pubescent; bracts 1-2 mm long, growing in the middle or base of the calyx tube; corolla yellow, extending outside the calyx, 0.7-1.1 cm long , the flag petal is round or oval, about 1 cm long, the wing petals are oblong, about 8 mm long, the lower edge is pubescent, the keel petal is about 1.2 cm long, with a long beak, and the base edge is pubescent; ovary handleless;
Fruit: The pod is oblong, 3-4 cm long, sparsely hairy when young, and later becomes hairless. The fruit petals dehisce and then twist, with 20-30 seeds;