The Cancer bush (Sutherlandia frutescens) fruiting in summer amongst exposed Table Mountain sandstone rocks on the southern Cape Peninsula's Atlantic coast, South Africa. [photo Colin Paterson-Jones ©]

A partially buried small plant of Sutherlandia frutescens flowering in early summer in sandveld fynbos next to the Heuningnes River estuary on the Agulhas Plain coast, Western Cape, South Africa. [photo Colin Paterson-Jones ©]

Sutherlandia frutescens, Kamiesberg mountains, Namaqualand, Northern Cape, South Africa. [photo Colin Paterson-Jones ©]

Sutherlandia frutescens flowering and fruiting in spring on an eroded koppie in the Tanqua Karoo, Western Cape, South Africa. [photo Colin Paterson-Jones ©]