Mammillaria runyonii - Cactaceae, Cactus Family
DESCRIPTION: Prostrate nipple cactus to 2 feet across, usually smaller. Central spines 1 to 4, some with hooks.
Height: To 5 inches tall.
Flowers: Showy pink, light purple to purple or rose pink. Spring
Fruit: Oval, 1/2 inch long and green
Growth rate: Slow
Sun: Partial sun
Water: Do not over water
Maintenance: Best if left alone
Propagation: Seeds, vegetative divisions, taproot (carrot shaped).
NATIVE HABITAT: Found in extreme southern Rio Grande Plans from Starr to Cameron Counties in gravelly areas.
WILDLIFE USE: Flowers provide nectar and pollen for bees and other flying insects.
COMMENTS: Cactus named in honor of Robert Runyon, a well-known Brownsville, Texas botanist.