leaf trace

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leaf trace

a VASCULAR BUNDLE that extends between the main stem and the leaf base.
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Axes showing endarch maturation and a sympodial vasculature have been classified as Cordaixylon, while those with mesarch leaf traces and a non-sympodial vasculature, as seen in the Joggins specimen (Fig.
The Parenchymatous cortex is differentiated into an inner zone with leaf traces running obliquely and an outer zone with girdling traces.
The parenchymatous cortex has idioblasts, abundant mucilage ducts, and oblique, semigirdling leaf traces [ILLUSTRATION FOR FIGURE 5C OMITTED].