Glycine soja (scientific name: Glycine soja Sieb. et Zucc.) is a leguminous plant. Soybean is an annual twining herb that grows up to 4 meters. The stems and branchlets are slender, and the stalk leaves are oval-lanceolate, the terminal leaflets are oval or ovate-lanceolate, both sides are covered with silky strigus hairs, and the lateral leaflets are obliquely ovate-lanceolate. Racemes are usually short, with small flowers, dense yellow stalks; bracts lanceolate; calyx campanulate, lobes triangular-lanceolate, corolla light reddish purple or white, flag petals nearly round, pods oblong , The seeds are slightly constricted, oval, slightly flat, flowering in July-August, fruiting in August-October.
Except for China's Xinjiang, Qinghai and Hainan, it is distributed in all regions of China. Born in damp fields, gardens, ditches, river banks, lakes, swamps, meadows, coastal and islands in sunny shrubs or reeds at an altitude of 150-2650 meters. It is seldom found in sparse forests along river banks.
This species is a favorite feed for domestic animals and can be planted as pasture, green manure and soil and water conservation plants. Seeds, roots, stems and leaves can be used as medicine.
