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 Botanical Terminology Tutorial
Leaf Arrangement
Venation
Leaf Shape
Leaf Margin
Leaf Apex
Leaf Base
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Leaf Shape: Deltoid

Enlarge Photo
Eastern Cottonwood
(Populus deltoides)
Enlarge Photo
Gray Birch
(Betula populifolia)

 

 

Leaf Shape: Deltoid

Triangular like the Greek letter delta, bottom two corners often rounded off.

Populus deltoides is the most commonly used example of this shape.

Though the Amur Maple leaf varies on any given plant, even with the lobing, the overall leaf shape is still deltoid.

Botanical Terminology > Leaf Shape > Deltoid  

 

2005 Gary J. Kling and Laura L. Hayden, University of Illinois at Urbana-Champaign.
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Notes about this tutorial.