Neobuxbaumia polylopha 10 SEEDS - Golden saguaro | Cone cactus Neobuxbaumia polylopha seeds produce an impressive columnar cactus known for its striking height and ribbed structure. Gardeners admire this species for its architectural presence and resilience in dry climates.The Neobuxbaumia polylopha plant features distinct vertical ribs that give it a sculptural look.