It seems that young Pelargonium reflexum leaves can be conspicuously hairy, although still sparsely. The whitish hairs are straight, longish and bristly. Some plants have fewer or fainter leaf hairs.
The palmate leaves have here additional lobes higher up, narrow with tips curving down (iNaturalist; https://www.pacificbulbsociety.org; https://www.pelargonium.si; https://www.worldfloradb.net).