Begonia cinnabarina Hook.

Stems annual, to about 35 cm tall, fleshy. Leaves to 8 cm wide, palmately veined, slightly lobed and toothed, surface coarse to the touch; margins fringed with red hairs. Flowers to 3 cm wide in small clusters, cinnibar-red, fragrant.

Bolivia, Peru

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.