Panicum miliaceum, 0.6-1.5m high, sparsely hairy branchlets, broadly ovate leaves, 5-12cm in diameter, nearly equal in length or width, heart-shaped or heart-shaped base truncated, usually 3-lobed, rarely 5-lobed, with middle lobes often splitting to half of the leaves, broadly triangular ovate lobes and tapering at the top. Petiole 3- 14 cm long, sparsely pilose; Stipules ovate-falcate, 5-8 mm long, caducous.
Flowers are solitary in leaf axils, and pedicels are usually slightly shorter than petioles; Bracteoles 3 pieces, separated, heart-shaped at the base, gland 1, 7-9 teeth at the edge, 4 cm long and 2.5 cm wide, covered by bristles and cilia; Calyx cup-shaped, lobes 5, triangular, ciliate; Flowers are white or yellowish, then reddish or purple, 2.5-3 cm long; Staminal column is 65438 0.2 cm long.
Capsule ovoid, 3.5-5 cm long, beak, 3-4 cells; The seeds are separated, ovoid, with long white cotton wool and short gray cotton wool, which are not easy to peel off. Flowers bloom in summer and autumn.