Begonia echinosepala Regel

Roots fibrous. Stems erect to 50 cm tall with short scattered soft hairs, branching; swelling at nodes. Leaves to 7 cm long, green satiny upper surface, paler below; margins toothed. Flowers small, white, bearded.

Brazil

Source: Wright, P.; Goodwin, J.; Spencer, R. (1997). Begoniaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

Begonia echinosepala 'Elongatifolia'

Stems brownish-green to 30 cm tall. Leaves lanceolate, to 10 cm long, narrow, surface green, glossy with toothed margins. Flowers white, fragrant.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Cucurbitales
family       Begoniaceae
genus        Begonia L.