Physical constraints and environmental factors shape phloem anatomical traits in woody angiosperm species.

Vessel and sieve element traits are weakly coordinated after detrending For between‐tissue correlation, when comparing the raw values across multiple species, both median diameter and density showed highly significant positive Pearson correlation coefficients between vessels and sieve elements ( R = 0.73, P < 0.001, and R = 0.58, P < 0.001, respectively; Fig. 4 ).

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