Ferocactus macrodiscus seeds grow into the large-disk barrel cactus — a broad, flattened barrel cactus native to the desert and dry shrubland biome of Mexico. The epithet macrodiscus means 'large-disk' (from Greek makros = large + diskos = disk), referring to the broad, flattened body. Described by Martius, combination by Britton and Rose. Produces a broad, flattened to globose, blue-green body 15–35 cm tall × up to 45 cm wide; 15–35 ribs; 4 central spines; numerous radial spines; pink to purple flowers; fruits. Cold-tolerant. Family Cactaceae.Full sun; very well-drained, rocky desert soils; drought-tolerant; cold-tolerant; Mexico desert conditions. 'Macrodiscus' = large-disk (Greek makros+diskos; broad flattened body; described Mart., comb. Britton+Rose); Mexico; broad flattened 15–35 cm × 45 cm; 15–35 ribs; pink-purple flowers; cold-tolerant Broad flattened 15–35 cm × 45 cm; 15–35 ribs; 4 central spines; pink-purple flowers; Mexico; cold-tolerant Mexico — desert/dry shrubland biome; large-disk barrel; broad flattened body; described Martius, comb. Britton+Rose Genus Ferocactus: SW USA to Mexico; Family Cactaceae; Order Caryophyllales Full sun; well-drained rocky desert soils; drought-tolerant; cold-tolerant; Mexico; broad flat body; Cactaceae Ferocactus macrodiscus — the large-disk barrel cactus — named for the unusually broad, flattened body; from Mexico.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.