Definitions

1. noun

A flat leaf that resembles a stem in function and growth habit, especially one that is attached to the stem like a petiole.

“The phyllodes of the acacia tree serve as modified leaf structures, allowing the plant to conserve water.”

2. noun

A leaf that has been converted into a leaf-like structure, typically for photosynthesis.

“In some species, the phyllodes have evolved to become the primary organs for photosynthesis.”