FIGURE 1. A. Crassula perforata habit, with leaf pairs basally fused. B. Crassula perforata inflorescence. C. Crassula rubricaulis habit with leaves basally cuneate. D. Crassula rubricaulis inflorescence. E in Crassula ×mortii (Crassulaceae subfam. Crassuloideae), a new natural hybrid between C. perforata and C. rubricaulis from South Africa's southern Cape

FIGURE 1. A. Crassula perforata habit, with leaf pairs basally fused. B. Crassula perforata inflorescence. C. Crassula rubricaulis habit with leaves basally cuneate. D. Crassula rubricaulis inflorescence. E. Leafy shoots of C. perforata (left), C. ×mortii (centre), and C. rubricaulis (right), all from Montagu Pass. Scale bars: A: 7 cm; B: 9 mm; C: 45 mm; D 4.5 mm; E: 8 mm. Photographs: Neil R. Crouch.