Commemorating Norwegian botanist and clergyman, Ernst Gunnerus (1718–73).
For description see family.
About 40 species, mostly tropical and S Africa but also from S America, Hawaii, Malaysia, Tas and the Antarctic.
Seed or division.
Stems of G. tinctoria have limited use in tanning and as a source of dye.
Generally grown as huge-leaved waterside plants with warty stems and dense clusters of small flowers.
Sykes (1969), Beckett (1988).
Source: (2002). Gunneraceae. In: . Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.