| Shape | Upright columnar. | 
				| Landscape | Borders, potted outdoor patio plant, potted indoor plant, rock gardens or as a specimen. | 
				                            | Cultivation | Plant in well-draining, loose gravelly, loamy or sandy soil in full sunlight. Repot annually to encourage growth and health. | 
                            | Pests | Scale and mealybugs may be a problem. | 
                            | Notable Specimens | Centennial Conservatory, Thunder Bay, Ontario, Canada. | 
				| Habitat | Dry rocky slopes and plains. | 
				| Bark/Stem Description | Smooth succulent bark with pronounced venations that carry short spines in panicles of 2 - 6. | 
                                                                                    | Flower Description | Open cone-shaped blooms that grow lengthwise along veins with delicate lanceolate petals. | 
                             
			| Colour Description | Medium green succulent bark, greyish-white to grey spines. White-petaled flowers with purplish-brown outside petals and yellow pistils. | 
				| Texture Description | Smooth, spiny. |