
Petioles have a similar structure to stems, except that the vascular bundles do not form a complete circle and tend to be arranged in a horseshoe shape.
Navigate the rest of Module 3 by using the menu items on the left hand side.

Petioles have a similar structure to stems, except that the vascular bundles do not form a complete circle and tend to be arranged in a horseshoe shape.
Navigate the rest of Module 3 by using the menu items on the left hand side.
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