Flattened globose to 5″ diameter. White flowers with a pinkish tint.
Flattened globose, 1-3 recurved spines per aureole.
Small pink-flowering black barrel; flattened globose
From the Sierra Velasco. Sepia-tinged lilac-pink flowers. Small barrel cactus, to 4″ across, often flattened.
One of the larger Gymno’s, will get 12″ across. Generally solitary. Pinkish-white flowers with reddish throats.
4″, solitary, globose. White to reddish flowers.
Small flowering barrel to 4″d.
Solitary barrels to 3″d.
Curved spines, 6″ d. stems, red flowers.
Small clusters, globose to 6″, bright yellow flowers
Caudiciform trunk; Deciduous
Clusters of upright stems, branch from the base.
Stems to 12″ tall, clumps of many spiny branches. Tan to Burgundy carrion flowers. Stems are eaten as an appetite suppressant by the San people of the Namib. Very low water.
Pairs of 4″ leaves; Keep dry, winter growing
Fleshy roots; green stems/reddish tips, papery spines; Chihuahuan Desert
Small 6″ stems, geophytic opuntioid. Pink flowers.
One of the largest genera
Species ranger in size from an inch to a yard
Soft and fuzzy appearing, low clustering small barrels with cream-colored flowers.
Small multi-stemmed globose with variable flowers, some bristles
Small globose with variable flowers, lots of bristles
3-4″ round stems form large clusters. Circular clusters of deep pink flowers are borne on the upper surface in spring and summer. Hooked spines, downy white hairs.
Usually solitary, some clumps; to 10″h.; woolly between short central spines
Slow to form large clusters. Variable spines. Lots of bright pink flowers.
4″. Dense clusters of deep green globose stems. Wild spines, creamy flowers.
Long stems, 1″ diameter, clumping; tight star-shape spines. Small cream-colored flowers form a crown around the tips of the stems.
Large clumps of 3″d. x 7-8″ long stems.
Usually solitary, 4-6″
Small clumper, 4″ cylindrical; wooly between long spines; 4 subspecies
Small solitary green globular plant to 2″
Very cold hardy. Small ball cactus to 5″d.