Senna occidentalis seeds

Subshrub or shrub, rarely branched;
Plant: 1.5 meters high; branches ridged;
Branch: Branch has edges;
Leaves: Pinnately compound leaves about 20 cm long, with a large, brown, cone-shaped gland at the base above the petiole; 4-5 pairs of leaflets, ovate or ovate-lanceolate, 4-9 cm long, apex acuminate , with small cilium: the petiole is 1-1.5 mm long; the stipules are ovate-lanceolate, falling early;
Flowers: Several flowers form corymb-like racemes, axillary and terminal, about 5 cm long: the bracts are linear-lanceolate or long-ovate, falling early; the flowers are about 2 cm long; the sepals are unequal in size, and the outside is The petals are nearly round, endogenous and ovate; the petals are yellow, exogenous and ovate, about 1.5 cm long, and the rest are 2 cm long, all with short and narrow petioles; 7 stamens are developed, 3 are sterile;
Fruit: The pods are band-shaped and sickle-shaped, brown, flattened, 10-13 cm long, 8-9 mm wide, slightly curved, with lighter edges, thickened, pointed, 30-40 seeds, and septa between the seeds. ;The fruit stalk is 1-1.5 cm long;