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Mammillaria pottsii (Rat-tail nipple cactus)
Trout, Keeper

Mammillaria pottsii

Mammillaria pottsii Scheer ex Salm-Dyck

Rat-tail Nipple Cactus

Cactaceae (Cactus Family)


USDA Symbol: MAPO3

USDA Native Status: L48 (N)


From the Image Gallery

14 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Cactus/Succulent
Fruit Type: Berry
Size Notes: Up to about 12 inches tall by almost 2 inches across.
Flower: Flowers 1/2 inch in diameter.
Fruit: Red.

Bloom Information

Bloom Color: White , Red , Pink , Purple
Bloom Time: Feb , Mar , Apr , May
Bloom Notes: May rarely bloom later.


Native Distribution: Widespread in Mexico

Growing Conditions

Water Use: Low
Light Requirement: Sun
Soil Moisture: Dry
Soil Description: These grow in the limestone soils at elevations in Big Bend National Park.


Bibref 1141 - Cactuses of Big Bend National Park (1998) Evans, Douglas B.

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Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Mammillaria pottsii in USDA Plants
FNA: Find Mammillaria pottsii in the Flora of North America (if available)
Google: Search Google for Mammillaria pottsii


Record Modified: 2023-02-17
Research By: TWC Staff

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