Mammillaria wrightii var. wrightii
Common names: Wright’s fishhook cactus
Treatment appears in FNA Volume 4. Treatment on page 250.
Stem tubercles 8–24 mm. Radial spines usually 8–15 per areole. Flowers 2.5–7.5 cm diam. Fruits 12.5–26 mm diam.
Phenology: Flowering summer; fruiting fall.
Habitat: Semidesert grasslands, plains grasslands, pinyon-juniper woodlands, gentle slopes, mesas, valleys, usually on alluvial or igneous substrates
Elevation: 1200-2100(-3000) m
Distribution
Ariz., N.Mex., Tex.
Discussion
Mammillaria wrightii var. wrightii is sometimes sympatric with M. viridiflora, but usually occupies deeper soils.
Selected References
None.
Lower Taxa
None.
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