Begonia trichocarpa Dalzell, Hooker’s J. Bot. Kew Gard. Misc. 3: 230 1851.
Large herbs; stem reddish, flaccid, sub-erect, hispid. Leaves to 8 x 3 cm, ovate-oblong, acuminate, obliquely cordate at base, hirtus, membranous, 5-nerved from the base; petiole 1-3 cm long, hispid; stipule 6 x 2 mm, lanceolate. Cymes 2 cm across, lateral; peduncle 1-2 cm long. Flowers 1-3 together; male sepals 4, outer sepals 5 x 7 mm, hispid; inner smaller, curved, glabrous; female sepals 4 or 5, similar to male flowers; ovary hispid, 3-locular, placenta single, styles 3, each divided in to two branches at apex. Capsule 1 x 2 cm obovate, truncate at apex, wings acute above, subequal; seeds minute, many, hexagonal.
Flowering and fruiting: August-December
Evergreen and semi-evergreen forests
Western Ghats (Endemic)