Exploring within-plant hydraulic trait variation: A test of the vulnerability segmentation hypothesis.

Abstract excerpt

Observations show vulnerability segmentation between stems and leaves is highly variable within and between environments. While a number of species exhibit conventional vulnerability segmentation (stem P 50 < ${P}_{50}\lt $ leaf P 50 ${P}_{50}$ ), others exhibit no vulnerability segmentation and others reverse vulnerability segmentation (stem P 50 > ${P}_{50}\gt $ leaf P 50 ${P}_{50}$ ). We developed a hydraulic...

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