Pelargonium laevigatum (L. f.) Willd. is a variable species. The macro
morphology, anatomy of the leaves, chromosome numbers and geographical
distribution of the species were studied, and it is concluded that th
ree subspecies should be distinguished. The subsp. diversifolium (Wend
l.) Schonken stat. nov. and subsp. oxyphyllum (DC.) Schonken stat. nov
. were originally described as species. A key to identify the three su
bspecies, a distribution map, and illustrations of the macromorphologi
cal characters as well as anatomical features of the leaves, are provi
ded.