Aloe vera 5. This person was the editor of The Cactus and Succulent Journal for many years. Gordon Rowley b. Rob Wallace c. LoWilla Wilson 8.
All cacti have spines.
Astrophytum d. Aporocactus 13. Ariocarpus b. Lithops c. Astrophytum d. Aporocactus 14. Agave utahensis var. Opuntia microdasys 17.