Carbon isotope discrimination differences within and between contrasting populations of Encelia farinosa raised under common-environment conditions.

Abstract excerpt

Previous studies of the desert shrub Encelia farinosa have shown variation of morpholological and physiological integration that appears to match environmental differences among populations. Such findings led us to ask if there is a genetic basis for such differentiation that may be related to physiological control of intercellular CO(2) concentrations as indicated by carbon isotope discrimination (Delta) values,...

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