Begonia trichocarpa

An annual, robust herb with reddish, flaccid to sub-erect stems densely covered with fine hairs. Leaves are ovate-oblong, 8 × 3 cm, long-acuminate, obliquely cordate at the base, membranous, and hairy, with 5 nerves arising from the base; petiole 1–3 cm long. Stipules are lanceolate.^[2] Inflorescences are lateral, cymose, about 2 cm across, borne on 1–2 cm long peduncles. Each cyme bears 1–3 flowers.^[3] Male flowers have four glabrous, hispid sepals, the inner pair smaller and curved. Female flowers have 4–5 sepals similar to those of the male flowers. The ovary is hairy, 3-locular with a single placenta; styles are three, each bifid at the apex. The capsule is obovate, 1 × 2 cm, with a flattened tip and acute wings. Seeds are extremely minute and hexagonal.^[4]