Neobuxbaumia polylopha cristata Is crested form of N. polylopha.
Your N. polyiopha will ship bare-root but will be similar to the one pictured.
Botanical name - Neobuxbaumia polylopha cristata
Water - Allow soil to completely dry out between waterings.
Cold Hardiness - around 32F — But I don’t let mine get below 40F
Sun - Full sun - some shade
Flower - White - summer bloomer.
Native to Mexico.