Type: Typus L. W. Lenz: 9401: RSA. MEXICO. Baja California Sur; 9.4 mi [along old road] W of San Jose del Cabo; abundant on granite outcrops in small canada not far from beach [s.n.]. Known only from the type collection made by Ed. and Betty Gay, April, 1968. Cultivated offset from original collection (RSA propagation number BC183308) L. W. Lenz 9401 (HOLOTYPE: RSA [two sheets].