Begonia incarnata Link & Otto.

Roots fibrous. Stems erect to 50 cm tall, sparsely hairy, light green, red at the nodes, freely branching. Leaves ovate, to 20 cm long, upper surface mid-green, glossy with white hairs and dark-green, deeply sunken veins; pale green below and hairy, the major and secondary veins red; margins toothed. Flowers pink with dark pink hairs.

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. (as Begonia metallica)

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