What is the region of the stem where leaves are born called?

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Study for the Morphology of Flowering Plants Test. Enhance your understanding with multiple-choice questions, complete with explanations. Prepare for your exam!

Multiple Choice

What is the region of the stem where leaves are born called?

Explanation:
Leaves are born at the nodes on the stem. A node is the point where a leaf attaches and where the shoot contains meristematic activity that can give rise to axillary buds in the axil. Internodes are the stem segments between successive nodes, so they’re the length of stem rather than the birth site of leaves. The leaf base is the part of the leaf that attaches to the stem (via the petiole), not where the leaf originates. So the region where leaves originate on the stem is the node.

Leaves are born at the nodes on the stem. A node is the point where a leaf attaches and where the shoot contains meristematic activity that can give rise to axillary buds in the axil. Internodes are the stem segments between successive nodes, so they’re the length of stem rather than the birth site of leaves. The leaf base is the part of the leaf that attaches to the stem (via the petiole), not where the leaf originates. So the region where leaves originate on the stem is the node.

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