Cephalocereus euphorbioides seeds grow into the Euphorbia-like old man cactus — a slender, columnar cactus native to the subtropical biome of Tamaulipas, Mexico, growing on rocky hillsides. The epithet euphorbioides means 'Euphorbia-like' (from the genus Euphorbia + Greek -oides), referring to the resemblance to certain Euphorbia species in stem form. Produces slender, ribbed, woolly-areolate stems; now often placed in Neobuxbaumia or related genera. Flowers nocturnal. Family Cactaceae.Full sun; very well-drained, rocky soils; drought-tolerant; warm subtropical conditions; frost-tender. 'Euphorbioides' = Euphorbia-like (resembles Euphorbia species in stem form); Tamaulipas, Mexico; slender columnar; frost-tender Slender ribbed woolly columnar; Euphorbia-like form; Tamaulipas; nocturnal flowers; frost-tender Tamaulipas, Mexico — subtropical biome; rocky hillsides; Euphorbia-like columnar Genus Cephalocereus: ~6 species; Mexico; Family Cactaceae; Order Caryophyllales Full sun; well-drained rocky soils; drought-tolerant; warm subtropical; frost-tender; Family Cactaceae Cephalocereus euphorbioides — the Euphorbia-like old man cactus — is named for the resemblance to certain Euphorbia species; a slender-columnar Mexican cactus from the rocky hills of Tamaulipas.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.