This is a primitive cactus from Mexico, with leaves as well as thorns. It seems reported mainly from Baja. Chirau Mita Gardens, northwestern Argentina.
close up image of Geum alleppicum strictum YELLOW AVENS at the James Woodworth Prairie Preserve - a single flower at full bloom, anthers and stigmas detailThis species is featured in the soon-to-be-published book, Elusive Splendor: Wildflowers of the Tall Grass Prairie. Contact frank@black-sweater-art.com for more information.