crassulacean acid metabolism

(redirected from CAM pathway)
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crassulacean acid metabolism

[‚kras·ə¦lā·shən ¦as·əd mə′tab·ə‚liz·əm]
(botany)
A type of photosynthesis exhibited by many succulent plants in which carbon dioxide is taken up and stored during the night to allow the stomata to remain closed during the daytime, decreasing water loss. Abbreviated CAM.
References in periodicals archive ?
As the dry season approaches, and these aerial plants are exposed to increasing aridity, they do not regain the CAM pathway.
Table I), which, of course, does not preclude presence of the CAM pathway.
These observations do not conclusively demonstrate absence of the CAM pathway, as even well-recognized terrestrial CAM plants utilize some portion of dark-fixed carbon for non-autotrophic metabolism (Luttge, 1988).