R. pacheco-leonis ssp. catelunata

Pendant, irregularly branched, stems never in whorls, 7 mm diameter. Primary stems with 6-9 ribs, grey-green, 5-15 cm long or longer, 0.8-1 cm diameter. Areoles close together, with borsteldoorns, 6-7 mm long, white. Secondary stems emerald green, four- to six-angled.