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Turbinicarpus saueri ssp. knuthianus
Scientific Name: Turbinicarpus saueri ssp. knuthianus (Boedeker) V. John & Riha
Synonym: Thelocactus knuthianus, Gymnocactus knuthianus, Pediocactus knuthianus, Echinocactus knuthianus, Neolloydia knuthiana, Turbinicarpus knuthianus
Family: Cactaceae
Listed in CITES Appendix 1
Turbinicarpus  saueri ssp. knuthianus
Turbinicarpus knuthianus in June
Frost Tolerance: Hardy to 25F (-4C) for a short period

Minimum Avg. Temperature: 50F (10C)

Sun Exposure: Full sun to afternoon shade

Origin: Mexico (San Luis Potosi)

Growth Habits: Solitary, or eften offsetting from the base, bright green globose stem, up to 2.5 inches tall (6 cm), 2.6 inches in diameter (6.5 cm); apex with some wool; 13 ribs divided in tubercles; one central spine, up to 0.5 inch long or more (1.2 cm); 12 to 20 whitish radials, 0.3 inch long (8 mm)

Watering Needs:


Turbinicarpus knuthianus, picture by Gordon Smith

Blooming Habits:
Numerous diurnal pink flowers with darker midrib, in summer, 1 inch long and broad (2.5 cm). The fruit is green to brown.

Fruiting Habits:

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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