Environmental controls on stomatal conductance in a shrub of the humid tropics.
Leaves of Piper hispidum, a shrub native to the lowland tropics of Mexico, have a strong stomatal response to humidity that results in similar rates of water loss under a wide range of leaf-to-air water-vapor concentration gradients. Stomatal conductance of these leaves is insensitive to CO(2) concentration and increases in response to high humidity even in the dark.
Mooney
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Department of Biological Sciences, Stanford University, Stanford, California 94305.
Field
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Yanes
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Chu
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