What is "callicoma"

Callicoma, is a plant genus that contains just one species, Callicoma serratifolia, a tall shrub or small tree which is native to Australia. Callicoma serratifolia is commonly known as black wattle, derived from the similarity of the flowers to those of Australian Acacia, which are commonly known as wattles. The species has a number of other common names include callicoma, butterwood, silver leaf, silver-leaf butterwood and wild quince.