Coryphantha difficilis seeds grow into the difficult coryphantha — a globose cactus native to the desert and dry shrubland biome of Mexico (Coahuila, Nuevo León, San Luis Potosí). The epithet difficilis means 'difficult' (from Latin), reflecting the taxonomic difficulty of placing and separating this species from related taxa. Produces a globose body; conical, grooved tubercles; straight to slightly curved spines; yellow flowers. Family Cactaceae.Full sun; very well-drained, rocky soils; drought-tolerant; cold-tolerant; NE Mexico conditions. 'Difficilis' = difficult (Latin; taxonomically difficult to classify and separate from relatives); Mexico (Coahuila, NL, SLP); globose; grooved tubercles; yellow flowers Globose; conical grooved tubercles; straight-curved spines; yellow flowers; Mexico (Coahuila-NL-SLP); cold-tolerant Mexico (Coahuila, Nuevo León, San Luis Potosí) — desert/dry shrubland biome; difficult coryphantha; taxonomically complex Genus Coryphantha: SW USA to Mexico; Family Cactaceae; Order Caryophyllales Full sun; well-drained rocky soils; drought-tolerant; cold-tolerant; NE Mexico; yellow flowers; Cactaceae Coryphantha difficilis — the difficult coryphantha — is named for its taxonomic complexity; a globose, yellow-flowering species from the desert highlands of Coahuila, Nuevo León and San Luis Potosí, Mexico.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.
