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Leaf Character Definitions - Compound Leaves

 
Overview
Compound
Lobing
Teeth
Sizes
Apices
Bases
L:W Ratio
Shapes
 
Download Scoresheet_2010
 
 
 
 
 
 
 

 

Many leaves are compound and numerous leaflets make up the leaf. There are two types: pinnately compound (Figures A, B) and palmately compound (Figure C). Each leaflet tends to be shed seperately from the others and functionally they behave as true leaves. Because of this in CLAMP leaflets are regarded in the same way as true leaves and are scored as such. Examples of pinnate and palmate compound leaves are given below.

Image of pinnately compound leaf   Partially pinnately lobed leaf   image of a palmately compound leaf

A) Pinnately compound leaf.

Note the variation in leaflet morphology, all of which should be scored.

 

B) A partially pinnately lobed leaf. Here the bottonm three "segments" would be scored as individual leaves.

 

C) Palmately compound leaf.