The inflorescence is a rectangular or pyramidal panicle, with a length of 6-13cm and a diameter of 3-5cm, with fine hairs and dense flowers; Pedicel 4-7 mm long; Bracts lanceolate to linear lanceolate, entire or with some serrations, minutely pubescent; Flowers 5-7 mm in diameter; Calyx tube campanulate; Sepals triangular, slightly pubescent inside; Petals ovate, apex usually obtuse, 2-3 mm long, 2-2.5 mm wide, pink; Stamens 50, about 2 times longer than petals; The disk is round, the lobes are thin and serrated; Ovary sparsely pubescent, style shorter than stamens.
Follicles erect along ventral suture, glabrous or pubescent, with terminal style, obliquely spreading, and usually with reflexed sepals. The flowering period is from June to August, and the fruiting period is from August to September.