Begonia luxurians Scheidw.

Roots fibrous. Stems to 2 m tall, red, fleshy, softly hairy. Leaves compound, divided into many leaflets, dark green with scattered minute hairs; margins finely toothed. Flowers cream in large open clusters on tall stalks, fragrant. (a cluster of tiny leaflets commonly occurs on surface where the main leaflets join the stalk.)

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.

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