Flowers changing from brownish orange-yellow to pale purple, fragrant.
An invalidly named hybrid E. cheiri × E. bicolor DC. Plants under this name might be better treated as E. mutabile.
Winter-flowering with flower colour changing to purplish.
Source: (1997). Brassicaceae. 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.