A large shrub 3-5 m or more tall. Leaves more or less ovate, slightly hairy below; margins entire or with a few shallow, rounded teeth. Flowers on the old wood, white with a deep red staminal column. Petals mostly 7-10 cm long; autumn. This species has been used as an understock for grafting and has also been crossed with H. rosa-sinensis.
Mostly known as the cultivar 'Wilder's White'.
Source: (1997). Hibiscus. 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.