Adjective
crassulacean (not comparable)
(botany) Of or pertaining to the family Crassulaceae of dicotyledons.
Bromeliads also use crassulacean acid metabolism (CAM) photosynthesis to create sugars. Source: Internet
Like other succulent plants, most cacti employ a special mechanism called " crassulacean acid metabolism " (CAM) as part of photosynthesis. Source: Internet