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The journal of the Western Australian Herbarium

Acacia gibsonii, a distinctive, rare new species of Acacia sect. Juliflorae (Fabaceae: Mimosoideae) from south-west Western Australia

Acacia gibsonii Maslin, a new species with distinctively short, 3-nerved phyllodes and short spikes, and having affinities to A. incongesta R.S.Cowan & Maslin is described. The species is known from a geographically very restricted area of greenstone hills between Norseman and Hyden. It is currently listed by its phrase name, Acacia sp. Lake Johnson (N. Gibson & M. Lyons 1959), as Priority One under the Department of Environment and Conservation’s Conservation Codes for Western Australian Flora.