TaxonomyPelargonium album is in the Subgenus Pelargonium reniformia.
BotanyReniformia are erect to semi-decumbent subshrubs with herbaceous, rarely subsucculent stems. Leaves simple, reniform, ovate or cordate, margins lobed, dentate, crenate or crenulate. Inflorescence is a pseudoumbel. Petals white, pink, mauve, purple to black, posterior two marked. Hypanthium 2-6x longer than sepals, base thickened. Fertile stamens 7. Basic chromosome number, x = 8. Further characters, on which the species are separated into a section are pollen morphology and phenolic composition.
Species in the Subgenus Pelargonium ReniformiaPelargonium abrotanifolium
Pelargonium africanum
Pelargonium odoratissimumPelargonium albumPelargonium artemisifolium
Pelargonium burchellii
Pelargonium canescens
Pelargonium cradockense
Pelargonium dichondrifolium
Pelargonium exstipulatumPelargonium incisum
Pelargonium ionidiflorumPelargonium middletonianum
Pelargonium dichondrifolium
Pelargonium monsonifolium
Pelargonium odoratissimumPelargonium odoriferum
Pelargonium odorum
Pelargonium pallidum
Pelargonium reliquifolium
Pelargonium reniformePelargonium retusum
Pelargonium sidaefolium
Pelargonium sidoidesLiteraturePl. Syst. Evol. 183 (1992) 83-97.