Ferocactus rectispinus seeds grow into the straight-spined barrel cactus — current taxonomy treats Ferocactus rectispinus as a synonym of Ferocactus emoryi (Engelm.) Orcutt, specifically corresponding to subsp. rectispinus (Engelm.) N.P. Taylor, native to the desert and dry shrubland biome of north-eastern Mexico. The epithet rectispinus means 'straight-spined' (from Latin rectus = straight + spinus = spine). This subspecies holds a remarkable record: the central spine can reach 25–32 cm — the longest spines of any cactus species in the world. Frost-tender. Family Cactaceae.Full sun; very well-drained, rocky desert soils; drought-tolerant; frost-tender; NE Mexico desert conditions. 'Rectispinus' = straight-spined (Latin; current taxonomy: syn. of F. emoryi / corresponds to subsp. rectispinus; longest spines of any cactus — to 32 cm!); NE Mexico; frost-tender Barrel; longest central spines of any cactus to 32 cm; NE Mexico; current taxonomy: syn. F. emoryi; frost-tender NE Mexico — desert/dry shrubland biome; current taxonomy: synonym of Ferocactus emoryi; subsp. rectispinus; world-record spines to 32 cm Genus Ferocactus: SW USA to Mexico; Family Cactaceae; Order Caryophyllales Full sun; well-drained rocky desert soils; drought-tolerant; frost-tender; NE Mexico; record-length spines; Cactaceae Ferocactus rectispinus — current taxonomy treats it as a synonym of F. emoryi (subsp. rectispinus); the straight central spines can reach 32 cm — the longest of any cactus in the world; from north-eastern Mexico.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.
