Acacia cineramis (Leguminosae: Mimosoideae), a new species endemic to south-eastern Australia, and an investigation of phyllode nervature in allied species

摘要

A morphometric multivariate analysis of Acacia rigens A.Cunn. ex G.Don and an entity previously recognised as Acacia sp. Gerang Gerung (M.G.Corrick 6451) was conducted, with the latter described here as a new species, Acacia cineramis H.K.Orel. This new species is considered endangered in accordance with IUCN classification, and known populations occur only in the Wimmera region of central-western Victoria. A preliminary assessment of phyllode anatomy, focusing on phyllode nervature, in A. cineramis and related species is also presented.