Prickly Beehive Cactus
Scientific Name: Coryphantha echinus (Engelmann) Britton & Rose
Synonym: Cactus echinus, Cactus pectinatus, Coryphantha cornifera var. echinus , Coryphantha pectinata, Coryphantha radians var. echinus , Mammillaria echinus, Mammillaria pectinata, Mammillaria radians var. chinus
Family: Cactaceae
USDA: 6-11
Frost Tolerance: Hardy to 0° F (-16° C) or less for short periods of time
Heat Tolerance: Light shade in summer in Phoenix
Sun Exposure: Full sun
Origin: USA (western Texas), Mexico (Coahuila, Chihuahua)
Growth Habits: Mostly solitary globular cactus, 2 inches in diameter (5 cm); 3 (0-4) central spines, 1 inch (2.5 cm) long; 16 to 30 radial spines, 0.4 to 0.72 inch (1 to 1.8 cm) long;
The species name comes from the Latin for 'hedgehog'. This species has 16 to 30 white radial spines, measuring up to 0.6 inches long (1.5 cm)
Blooming Habits:
The Coryphantha echinus has 2 inches wide (5 cm) yellow flowers, followed by green fruits.
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