On Jan 12, 2008, Porphyrostachys from Portland, OR (Zone 8b) wrote:
A very interesting Aloe from Somalia. The leaves have bluish-green striations along their lengths on both the upper and lower surfaces. On the underside of the leaves, these striations are raised and definite grooves can be felt if you run your hand over them.
This plant has been said to grow in the following regions: