Ferocactus rectispinus (San Ignacio) seeds grow into the straight-spined barrel cactus from the San Ignacio provenance — current taxonomy treats Ferocactus rectispinus as a synonym of Ferocactus emoryi (Engelm.) Orcutt (specifically corresponding to subsp. rectispinus), native to the desert and dry shrubland biome of north-eastern Mexico. This provenance from San Ignacio, Baja California. The species is notable for having the longest spines of any cactus (central spine to 25–32 cm). Frost-tender. Family Cactaceae.Full sun; very well-drained, rocky desert soils; drought-tolerant; frost-tender; San Ignacio, Baja California conditions. 'Rectispinus' = straight-spined (Latin; current taxonomy: syn. of F. emoryi/subsp. rectispinus; longest spines of any cactus to 32 cm!); San Ignacio, Baja California; frost-tender Barrel; exceptionally long straight central spines; San Ignacio, Baja California; current taxonomy: syn. F. emoryi; frost-tender San Ignacio, Baja California, Mexico — desert/dry shrubland biome; current taxonomy: synonym of Ferocactus emoryi (subsp. rectispinus); longest spines of any cactus Genus Ferocactus: SW USA to Mexico; Family Cactaceae; Order Caryophyllales Full sun; well-drained rocky desert soils; drought-tolerant; frost-tender; San Ignacio Baja California; Cactaceae Ferocactus rectispinus (San Ignacio) — current taxonomy treats it as a synonym of F. emoryi (subsp. rectispinus); the longest spines of any cactus — to 32 cm; San Ignacio provenance, Baja California.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.