Commemorating Leis W. Dillwyn (1778–1855), an English botanist.
Small to medium shrubs. Leaves alternate, simple, linear, terete or 3-angled; stipules minute or absent. Flowers axillary or terminal. Calyx lobes short or as long as the tube, the 2 upper ones forming a lip. Petals yellow, sometimes with some red or orange. Standard wider than long. Stamens free.ovary shortly stalked. Fruit pod ovoid to almost round.
Grown for the abundance of flowers and fine foliage.
D. ericifolia Sm. has now been split into several species and plants available under this name may be D. floribunda Sm., D. retorta (Wendl.) Druce or D. phylicoides Cunn., all of which have spirally twisted leaves. Further revision is likely.
24 species endemic to Australia and in all states except the NT.
Seed (treated) and semi-hardwood cuttings.
Standard much wider than long.
Source: (2002). Fabaceae. 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.