Kadenicarpus

A species from Hidalgo in Mexico, described in 2015 as Turbinicarpus heliae and transferred to Kadenicarpus in 2021.

A kadenicarpus with hard spines whose epidermis forms feathery projections. Formerly assigned to Turbinicarpus or Gymnocactus. Anatomical studies indicate fibres in stem cortical bundles and prismatic crystals in the hypodermis and pith.

A complex of Mexican cacti containing three accepted subspecies. In anatomical literature, it appears as Turbinicarpus pseudomacrochele. Variation in spines and crystals in individual stem layers shows how many features can occur within a single species.