Begonia radicans Vell.

Stems somewhat flattened, light greenish brown, red at the nodes. Leaves elliptic, acute; surface hairless, semi-glossy, veins slightly sunken, reverse light green, hairless. Flowers 3 cm wide, coral and white, numerous in many-flowered clusters.

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.

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