Echinocactus uncinatus Galeotti ex Pfeiff.
no HD illustration available (m1)
Echinocactus uncinatus Galeotti ex Pfeiff. [Cactaceae]
L.K.G. Pfeiffer, F. Otto, Abbild. Beschr. Cact. (Coloured version), vol. 2 : p. 18, t. 18 (1839)