Acacia valida (Fabaceae, Mimosoideae), a new species from Western Australia and the Northern Territory, as well as the typification and revision of A. Pachyphloia

Abstract

Acacia valida, a new species of Acacia subgenus Acacia from the northern parts of the Northern Territory and Western Australia is described and illustrated. A lectotype is selected for Acacia pachyphloia and two subspecies are recognised. Acacia pachyphloia subsp. pachyphloia occurs in the Northern Territory and north Western Australia, and A. pachyphloia subsp. brevipirznula subsp. nov. occurs in north Western Australia.