A monograph of the genus Polhillia (Genisteae: Fabaceae) Author du Preez, B. Author Dreyer, L. L. Author Stirton, C. H. Author Muasya, A. M. text South African Journal of Botany 2021 2021-05-31 138 156 183 http://dx.doi.org/10.1016/j.sajb.2020.12.022 journal article 10.1016/j.sajb.2020.12.022 1727-9321 10496862 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