noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The petiole of some monocotyledon leaves which is not part of the lower leaf zone.
2. 2
   A petiole-like constriction of the lamina or similar organ (such as a phyllode or phylloclade).
3. 3
   The morphologically distinct proximal section of a petiole to which stipules are attached.

Etymology

From pseudo- + petiole.

Related phrases

lower leaf zone

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.