Begonia fuchsioides Hook.

Roots fibrous. Stems to 1 m tall, reddish-brown thin, fleshy and hairless. Leaves fleshy with dark green glossy surface; margin toothed. Flowers 2 cm wide, pink, profuse.

Venezuela

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.