G. monoica flowers between October and November, and produces fruit from December until February. The flowers are greenish, and the fruit is barrel shaped and white in colour. The leaves have a roundedappearance and either a corrugated or spiky margin. The species is visually similar to Gunnera strigosa, but with differences in the leaf shape and hair distribution. The fruits are small, only 2 millimetres in length, and red to reddish-yellow. It grows in moist, lowland forests and grasslands. It is evergreen.
Range
Gunnera monoica is native to New Zealand. It can be found on damp banks and old road cuttings.