Phyllode

Phyllodes are modified petioles or leaf stems. In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the purpose of the leaf.

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They are common in the genus Acacia, especially the Australian species, at one time put in Acacia subg. Phyllodineae. Sometimes, especially on younger plants, partially formed phyllodes bearing reduced leaves can be seen.

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Petiole: In botany, a petiole is the stalk of a leaf, attaching the blade to the stem.A petiole (also called a pedicel) is the first abdominal segment of members of the Apocrita. Also see postpetiole....

Leaf: :This article is about the leaf, a plant organ. See Leaf (disambiguation) for other meanings....