Iresine herbstii Hook.

Stems to 50 cm tall, bright red. Leaves to about 8 cm long, often puckered, veins reddish below. Flowers (if produced), white.

Brazil

Generally grown for the range of coloured leaves.

Source: Spencer, R. (1997). Amaranthaceae. 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     Caryophyllanae
order      Caryophyllales
family       Amaranthaceae
genus        Iresine P.Browne