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To get a fuller, denser head, a variety with closely spaced internodes — the section of stem between nodes, or growth points — is desirable.

This GA drives ACE1 to promote cell division in stem nodes, generating cells that elongate to lengthen the underwater internodes.

Each internode of the gene tree was then defined as either a duplication node, a speciation node, or a ‘dubious’ node.

Chicory always looks a bit unkempt, producing a long flower stem nearly three feet tall with long internodes between the scattered flowers.

The stipe when developed into an internode between calyx and corolla, as in the Pink family.