Its plant height is about 35 to 100 cm, there is no distribution of small hairs on it. The stem is usually purplish red, with a diameter of about 1 to 1.5 cm. The rhizome is relatively thick, with a diameter of about 1 to 2.5 cm. The outer color is tan.
Its leaves are oblong, oval or obovate lanceolate, with a length of about 7 to 15 cm and a width of about 2.5 to 5 cm. The petioles are relatively obvious, growing about 2 to 6 cm, with purple red on them.
Its outer perianth is green, and the lower pedicel is about 5 to 16 cm long. The anthers inside look shorter, about 5 to 8 mm long, and the flowering period is from April to July.