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  Section: Introduction to Botany » Leaves
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Simple versus Compound Leaves

  Simple versus Compound Leaves
  Leaves and Transplanting
  Structure of a Leaf
  Leaves and Plant Classification and Identification

Having a bud in the axil is an important part of the definition of a leaf. Leaves are either simple or compound: a simple leaf consists of one unit, and a compound leaf is composed of separate leaflets. There are no buds in the axils of leaflets but found only at the base of a leaf. This feature can be used to distinguish a leaf from a leaflet.

(a) Leaves petiolate. (b) Leaves sessile.
Figure 34-1 (a) Leaves petiolate. (b) Leaves sessile.
Two compound leaves: (a) palmately compound and (b) pinnately compound.
Figure 34-2 Two compound leaves: (a) palmately compound and (b) pinnately compound.


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