The rhizome of the begonia is subspherical, the stem is erect and can reach a height of 60 cm. Cauline leaves alternate, leaf outline is ovate, stipules oblong to lanceolate membranous; Flowers more pink, bracts oblong, apex blunt, caducous; Anther obovoid, ovary oblong, capsule drooping, oblong outline, seeds oblong small, light brown number is very much, flowering in July, beginning to bear fruit in August.