On Aug 20, 2011, palmbob from Acton, CA (Zone 8b) wrote:
Very tall tree aloe, often branching but sometimes not, with blue-green to olive-green leaves that are straight up, or recurved as they get older and more laterally displaced by newer leaves. Stems covered with persistent dead leaf petticoat. Pretty fast grower. Rare in cultivation.
This plant has been said to grow in the following regions: