Structure and identification
The above-ground part is solitary or has few branches, thin at the base and cylindrical or club-shaped higher up. Tubercles are slender and curve upwards. Older ones gradually dry, become woody and fall off. Upper lateral spines are arranged in layers, and the stronger dark central spine projects forwards. Flowers are pale yellow or orange-yellow. The very long taproot can regenerate new above-ground parts. [Dicht and Lüthy 2005, p. 169]
Habitat and variation
The monograph documents sites in the Entronque Huizache area of San Luis Potosí. Plants occur on lower slopes and hilltops with limestone gravel, among hechtias and shrubs. The species was originally described in Neolloydia. Flower, groove, fruit and seed traits were used for its later inclusion in Coryphantha. [Dicht and Lüthy 2005, p. 169]
Related articles
Materials from the author's archive
The species also appears in Konrad Szychowski's private material archive. [Kaktusy i Inne 2005c, file p. 25]
Synonyms and names in the literature
Neolloydia pulleineana [2-WWW]