Revision of the genus Calpurnia (Sophoreae: Leguminosae)

Abstract

Taxa recognised in this revision are: Calpurnia aurea (Aiton) Benth. subsp. aurea; C. aurea (Aiton) Benth. subsp. indica Brummitt; C. floribunda Harv.; C. glabrata Brummitt; C. intrusa (R.Br. in W.T. Aiton) E.Mey.; C. reflexus A.J.Beaumont sp. nov.; C. sericea Harv. and C. woodii Schinz. A putative hybrid between C. sericea and C. woodii is recorded. With the exception of C. aurea, all species are restricted to southern Africa. C. reflexus is possibly extinct, and C. woodii is considered rare. Characters examined in this revision are habitat, habit, vestiture, leaf morphology and anatomy; floral, pollen, fruit and seed morphology and anatomy; and seedling morphology. Illustrations and a key to taxa are provided.