Erect herb to 20 cm tall. Leaves alternate, heart-shaped at base, thick; veins about 7, strongly raised to form a corrugated surface. Leaf stalk to about 6 cm long, rounded or with 2 grooves on inner face, attached less than 1 cm from the margin, green or pinkish. Flower spike unbranched. [p. hederaefolia Anon.]
Similar to P. caperata from which it differs in having leaves with rounded (not 'V'-shaped) corrugations that are much wider than deep.
Source: (1997). Piperaceae. In: . 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.