Clusters of small pink-flowering barrel to 4″dia.
Cactus and Succulents - Every 3 Week
Gymnocalycium bodenbenderianum
G. riojense
Small barrel cactus, to 6″ across, often flattened. Spines recurve tight to the stem. Stunning sepia-pink flowers.
Gymnocalycium bruchii
Freely growing clusters of 1-2″ stems. Pink flowers.
Gymnocalycium buenekeri
Will form clusters of 6″dia. stems. Pale pink flowers.
Gymnocalycium eurypleurum
Flattened globose to 5″ diameter. White flowers with a pinkish tint.
Gymnocalycium friedrichii
G. stenopleurum
G. mihanovichii friedrichii
Small flowering barrel to 4″d. Grows in dry savannah. Variable cream to pink flowers. Stem can show a lot of color variation depending on sun conditions and various cultivars.
Gymnocalycium horstii
Small flowering barrel, light pink flowers. Stems rotund 8-10″ in diameter. Green ball shape. Will form small clusters. Keep dry in winter.
Gymnocalycium neohuberi
G. curvispinum
Solitary stems to 3″, flattened globose. Lots of curved spines. Scented pink flowers, blooming size in a just a few years. Keep dry in winter.
Gymnocalycium ochoterenae ssp. vatteri
Flattened globose, 1-3 recurved spines per aureole.
Gymnocalycium platense
Flattened globose small barrel cactus with thick central spines. Cream-colored to light-yellow flowers with red throat.
Gymnocalycium ragonesei
Small pink-flowering black barrel; flattened globose
Gymnocalycium riojense ssp. piltziorum
From the Sierra Velasco. Sepia-tinged lilac-pink flowers. Small barrel cactus, to 4″ across, often flattened.
Gymnocalycium saglionis
One of the larger Gymno’s, will get 12″ across. Generally solitary. Pinkish-white flowers with reddish throats.
Gymnocalycium schickendantzii
4″, solitary, globose. White to reddish flowers.
Gymnocalycium stuckertii
Solitary barrels to 3″d.
Gymnocalycium tillianum
Curved spines, 6″ d. stems, red flowers.
Gymnocalycium uruguayense
Small clusters, globose to 6″, bright yellow flowers
Gyrocarpus jacquinii
Caudiciform trunk; Deciduous
Haageocereus pseudomelanostele
Clusters of upright stems with whitish to yellow spines, branches from the base. Blooms are pinkish or white.
Hoodia gordonii
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.
Ihlenfeldtia vanzylii
Pairs of 4″ leaves; Keep dry, winter growing
Leuchtenbergia principis
Fleshy roots; green stems/reddish tips, papery spines; Chihuahuan Desert
Maihueniopsis bonnieae
Puna bonnieae
Small 6″ stems, geophytic opuntioid. Pink flowers.
Mammillaria
One of the largest genera
Species ranger in size from an inch to a yard
Mammillaria albicoma
Soft and fuzzy appearing, low clustering small barrels with cream-colored flowers.
Mammillaria backebergiana
Usually solitary. Cylindrical to 12″h. Short pyramidal tubercles, not woolly. Crown of small bright pink flowers.
Mammillaria bocasana
Small multi-stemmed globose with variable flowers, some bristles
Mammillaria bocasana v. multilanata
Small globose with variable flowers, lots of bristles
Mammillaria bombycina
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.
Mammillaria columbiana
Usually solitary, some clumps; to 10″h.; woolly between short central spines