Not yet fully mature. Long white hairs will cover the stems eventually
Also different to Hildewintera aureispina the flower tube of this species is bent at the nectar chamber.
An older and more typical branch
Los Angeles intercity show 2010 under synonym genus Hildewintera
Huntington Gardens, indoor collection
Seed-pod breaks open when ripe
balboa park cactus show
Cleistocactus colademononsis - Chandler, AZ (2015-May04)