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Coryphantha macromeris ssp. runyonii
Scientific Name: Coryphantha macromeris ssp. runyonii (Britton & Rose) N.P. Taylor
Synonym: Coryphantha runyonii, Lepidocoryphantha runyonii, Coryphantha macromeris var. runyonii, Mammillaria runyoni, Lepidocoryphantha macromeris ssp. runyonii
Family: Cactaceae
Coryphantha  macromeris ssp. runyonii
Coryphantha runyonii at the Desert Botanical Garden at the end of April
Recommended Temperature Zone:
USDA: 8b-12

Frost Tolerance: Hardy to 14 F (-10C) if kept dry.

Minimum Avg. Temperature: 50F (10C)

Heat Tolerance: Light shade in summer in Phoenix

Sun Exposure: Full sun to light shade (in summer)

Origin: Lower part of the Rio Grande valley (USA, Mexico), close to sea level.

Growth Habits: Densely clumping, grey green stems, to 3 inches tall (8 cm); rounded tubercles, ip to 0.8 inch long (2 cm); 1 to 3 central spines, up to 1 inch long (2.5 cm); 6 or 7 radials.

Watering Needs: Moderate water when in a growing period, little to no water the rest of the time

Propagation: Seeds, divisions

The C. macromeris ssp. runyonii has grey green stems, reaches only half the size of the Coryphantha macromeris and also has shorter spines.

Blooming Habits:
The Coryphantha macromeris ssp. runyonii has 3 inches wide (7 cm) pink flowers produced sparingly during the summer.

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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