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Leaf Vocabulary

Published on Aug 16, 2016

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1.

Leaf Vocabulary

USe to Help with Identification
Photo by dok1
2.

Coniferous (cone-bearing trees)
Evergreen-trees with needles or leaves that remain alive and on the tree through the winter and into the next season

Photo by S. Rae
3.

Deciduous (shed leaves annually)
Broadleaf-tree with leaves that are flat, thin and generally shed annually

Photo by treehouse1977
4.

Blade

flat part of the leaf or leaflet
Photo by giev
5.

PetiolE

LEAFSTALK THAT CONNECTS THE BLADES)TO THE TWIG
Photo by Science and Plants for Schools
6.

Midrib

primary rib or central vein of a leaf
Photo by Kylir
7.

Margin

edge of the leaf
8.

Lobes

-projections that shape a leaf-can be deeply toothed-pointy edges)
Photo by jerryoldenettel
9.

Simple Leaf

one blade attached to the stalk (petiole)
Photo by Michael Taggart Photography
10.

Alternate      opposite        whorled

Leaf Arrangement
11.

Compound Leaf

more than one blade attached to a single stalk (petiole)
Photo by bill barber
12.

Compound Leaf Arrangements

pinnately      palmately

Ann Hagen