Genisteae (Bronn) Dumort.

du Preez, B., Dreyer, L. L., Stirton, C. H. & Muasya, A. M., 2021, A monograph of the genus Polhillia (Genisteae: Fabaceae), South African Journal of Botany 138, pp. 156-183 : 163

4.1. Key to the genera of South African Genisteae

1a Glands usually present on flowers and leaves, stipules completely free and auriculate..................................................... Melolobium

1b Glands mostly absent from flowers and leaves, stipules free or fused, but not auriculate......................................................................................2

2a Stipules absent or if highly reduced then rapidly caducous, standard and wing petals strongly reflexed .................................... Dichilus

2b Stipules present and clearly visible, standard and wing petals not strongly reflexed.............................................................................................3

3a Stipules free, broad-based to amplexicaul, not sheathing stem, bracteoles present ............................................................. Argyrolobium

3b Stipules fused, collar-like and sheathing stem, bracteoles absent .................................................................................................... 4 ( Polhillia )

4a Flowers yellow, fruit indehiscent ............. subgen. Polhillia

4b Flowers pink or rarely white, fruit dehiscent ....... subgen. Roseopolhillia