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🔬general biology i review

Palmately compound leaf

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

A palmately compound leaf is a type of compound leaf where all leaflets are attached at a single central point, resembling the shape of a hand with fingers spreading out. This arrangement contrasts with pinnately compound leaves, where leaflets are arranged along either side of a central axis.

5 Must Know Facts For Your Next Test

  1. Palmately compound leaves have multiple leaflets radiating from one central point.
  2. Examples of plants with palmately compound leaves include horse chestnuts and buckeyes.
  3. The number of leaflets in palmately compound leaves can vary widely between species.
  4. Palmate venation is often associated with this type of leaf structure, although it can also be present in simple leaves.
  5. The central point from which the leaflets radiate is called the petiole junction or rachis.

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