Pima Pineapple Cactus
Synonym: Echinocactus muehlenpfordtii, Coryphantha muehlenpfordtii ssp. uncinata, Coryphantha robustispina ssp. uncinata, Coryphantha scheeri var. uncinata, Coryphantha muehlenpfordtii, Mammillaria engelmannii, Coryphantha scheeri, Mammillaria scheeri, Cactus scheeri, Coryphantha neoscheeri
Family: Cactaceae
 Coryphantha scheeri at Miles 2 Go |
Recommended Temperature Zone: USDA: 9b-11 Minimum Avg. Temperature: 50°F (10°C) Heat Tolerance: Light shade in Phoenix in summer Sun Exposure: Full sun to partial shade Origin: USA (Texas, New Mexico), Mexico (Chihuahua, Sonora) Growth Habits: Usually solitary, 2 to 6 inches tall (5-15 cm), 2 to 4 inches in diameter (5-10 cm); strongly tuberculate; young areoles woolly; 1 to 4 straight central spines, 0.5 to 2 inches long (1.2-5 cm); 6-16 spreading radials, 0.4 to 1.4 inches long (1-3.5 cm) Watering Needs: Very sensitive to overwatering, does better when grafted Propagation: |
The second picture is sold in the trade as "Coryphantha scheeri var. valida" from Las Cruces, New Mexico.
Blooming Habits:
Yellow flowers, 1.6 to 2.6 inches long (4-6.5 cm), 2 to 3 inches in diameter (5-7 cm). The green fruits are ovoid to club-shaped, 1.4 to 2.2 inches long (3.5 to 5.5 cm), 0.5 to 0.8 inch in diameter (1.2 to 2 cm).
Fruiting Habits:
Check for Field Collection numbers at Ralph Martin's Site
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