Description of Gastrolobium argyrotrichum (Fabaceae: Mirbelieae), with taxonomic notes on some other species with bicoloured calyx hairs
HISLOP, M., WEGE, J.A. AND WEBB, A.D.
Gastrolobium argyrotrichum Hislop, Wege & A.D.Webb, a rare species endemic to the Metricup scarp south of Dunsborough in south-western Australia, is formally described. A key to species of Gastrolobium R.Br. with a bicoloured calyx indumentum and predominantly yellow or orange flowers is presented. Taxonomic notes are provided for G. coriaceum (Sm.) G.Chandler & Crisp, G. dilatatum (Benth.) G.Chandler & Crisp, G. dorrienii (Domin) G.Chandler & Crisp, G. retusum Lindl., G. rhombifolium G.Chandler & Crisp and G. whicherense G.Chandler & Crisp in order to facilitate future taxonomic work on the genus.
