Abstract
Quaqua N.E. Br. is re-instated to accommodate the ‘hard-stemmed’ species of Caralluma occurring in the western Cape Province of South Africa. This group is revised to include 13 species, 9 subspecies and 2 varieties, and all necessary name combinations are made. Q. armata subsp. maritima and subsp. pilifera, Q. parviflora subsp. bayeriana and subsp. pulchra, and Q. incarnata var. tentaculata are described as new.

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