A systematic study of Acacia calamifolia s.l., with special emphasis on A. euthycarpa in Victoria

Abstract

Taxonomic revision of the Acacia calamifolia Sweet ex Lindl. complex shows that A. euthycarpa (J.M.Black) J.M. Black is distinct, and that the two species have allopatric distributions. Typical A. calamifolia has moniliform legumes, narrowly linear phyllodes, united sepals, and an elongated funicle half-encircling the seed. It occurs in New South Wales, and in the Flinders Ranges and North Mount Lofty Ranges of South Australia. Acacia euthycarpa has linear legumes, narrowly linear to oblanceolate phyllodes, free to united sepals, and a longer funicle that entirely or nearly entirely encircles the seed. It occurs in Victoria, on the Eyre Peninsula, Kangaroo Island, South Mount Lofty Ranges, a..