Results of crosses
GENUS Selfed Interclonal
Cross
Interspecies
Cross
Intergeneric
Cross
  Total
done
Percent
fertile
Total
done
Percent
fertile
Total
done
Percent
fertile
Total
done
Percent
fertile
Caralluma 154 8% 25 56% 3 67% 10 10%
Duvalia 37 22% 5 100% 5 40% 9 33%
Echidnopsis 8 0% 6 17% --- --- 1 0%
Frerea 19 0% 5 80% --- --- 24 13%
Huernia 70 6% 2 100% 18 28% 12 50%
Orbea 21 29% --- --- 34 44% 16 17%
Piaranthus 132 7% 18 28% 8 100% --- ---
Stapelia 52 4% 13 62% 14 14% 22 19%
Stapelianthus 8 38% --- --- 4 100% --- ---
Tridenta 16 6% 12 58% 11 18% 6 50%