Ferocactus chrysacanthus
Description:
A globose to cylindrical plant up to about 3 ft high and dark green in color. There are 13-22 tubercled ribs and the areoles carry four to six slender white radial spines and four to ten curved yellow or red centrals. Flowers are diurnal, in summer,, the inner petals yellow with jagged edges, and outer petals pale brownish pink.