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Possibly this...
Height 10cm, no leaves present at flowering.
Roundish tuber the size of a marble.
Leaves oval hairy, flat on the ground very similar to that of pelargonium curviandrum.
Located 4 small populations in mosselbay shale renosterveld.

Keys out perfectly using Niesler's key. Max of 14 white bristles radiating out from dark orange diadem, imbricate leaves, elongated bladder cells on leaves with hairlike apical papilla, lack of black hairs around base of calyx, Enon conglomerate substrate, etc.

Two plants from same approx location. According to C Klak, this is West Coast species occurring from Namibia all the way down to the Cape Peninsula, but not much further eastwards. So, those observations from the Overberg and beyond are probably all introduced.