The exact identity of this cultivar is uncertain, possibly c. arborescens subsp. undulatifolia. Low, robust shrub with oval, glaucous leaves.
Possibly a hybrid between c. sussanae and c. barklyi.
A hybrid between c. rupestris subsp. marnieriana and c. perfoliata var. falcata.
A hybrid between c. barbata and possibly c. orbiculata.
A hybrid possibly between c. perfoliata var. falcata and c. rupestris.
A hybrid between c. rupestris subsp. marnieriana and, probably, c. rupestris subsp. rupestris.