Begonia pearcei Hook.f.

Stems annual, to about 40 cm tall, branching, succulent. Leaves to 12 cm long with a brownish green background and veins bordered pale green; red below; margins doubly toothed, hairy. Flowers to 3 cm wide, bright yellow.

Bolivia

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.

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