Coryphantha longicornis (Cactus)

A cactacea of a globular shape, which over time tends to become cylindrical. It has numerous well-defined tubercles, on which small radial spines, arranged in a white star, and stiff and erect central spines of a gray-blackish color sprout. Flowering occurs at the apex, blooming with large yellow funnel-shaped flowers with a red central vein.