Tall columnar to 26ft.; branchy with long spines; night blooms
Medium prickly pear, sprawls to 3ft, long white soft spines
low-spine, branches to 12″, easily break-off for propagation
Papery-spines w/glochids; 6″
Stunning globular stems stacked up, will break off and roll with few recumbent spines. Ivory white flowers. very arid, can handle extreme desert.
Usually solitary, stems can get 15″ high x 6″ around. Magenta flowers fade to white towards the center, and then get very dark below.
Small hedgehog cactus, generally solitary. 5″h x 3″ w.
Tuberous roots with short stems; green leaves to 1″l. with white bristles
Mini prickly pear, pads 1-2″ groundcover
Low growing, stems flattened crescents, long spines. Seeds used for red dye.
Golden spined column, slow growing, eventualy treelike to 20ft., usually branching above 6ft. White tubular flowers.
Tree-like to 20ft., branches low. Pink flowers. Develops woolly lateral cephalium.
Treelike to 20ft., branching above 6ft. White tubular flowers.