Revision of Leptosema (Fabaceae : Mirbelieae)

Leptosema has 13 species with pea-flowers modified for bird-pollination. It is endemic to Australia, being distributed widely in the west, centre, nor th and north-east of the continent. This paper is a monograph of the genus. Updated cladistic and biogeographic analyses are presented and, based on t he former, a new classification is formalised. Taxa described as new are Le ptosema sect. Leptosema, L. ser. Callipetalum, L. cervicorne Crisp, L. chap manii Crisp, L, villosum Crisp, L. sect, Oolobium Crisp and L, ser. Pereost emon Crisp. New combinations or ranks are made for L.. aphyllum (Hook.) Cri sp, L. macrocarpum (Benth.) Crisp, L. tomentosum (Benth.) Crisp, L. uniflor um (R.Br. ex Benth.) Crisp, and L.. sect. Burgesia (F.;Muell.) Crisp. Lecto types are chosen for the synonyms Brachysema aphyllum Hook., B, chambersii (F.;Muell.) F.Muell. ex Benth., B. macrocarpum Benth., B, oxylobioides (F.M uell.) Benth., B, uniflorum R.Br, ex Benth., Burgesia homaloclada F.Muell., Jacksonia anomala Ewart & Morrison, J. petrophiloides W.Fitzg. and Templet onia regina J.L.Drumm.