olive green, sometimes almost black, plants with 6 to 7cm long white flowers. Hardy outside in the UK

long slender white spines and yellow flowers with red throat

a most peculiar species and the only member of this genus. Hugely elongated blue grey tubercles with raffia like spines. Silken yellow flowers. Rare.

magenta to pinky red flowers. A form of Lobivia hertrichiana.

rare and difficult to obtain. Grey blue body, pink flowers. The Peyote cactus formerly used by North American tribes in ceremonies. Large specimens (approximately 5 cm in diameter).

flattened round plants with yellow brown spines and large tubular yellow flowers

olive-green to black with grey spines. Flattened to globular body up to 6cm across, sometimes offsetting, bearing large yellowish to brick-red flowers 4 - 6 cm across.