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Botanical Terminology Tutorial
Leaf Arrangement
Venation
Leaf Shape
Leaf Margin
Leaf Apex
Leaf Base
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Alphabetical w/ Definitions

  1. Imbricate
    Overlapping structures like shingles on a roof; e.g. scales on an imbricate bud.

  2. Impressed Venation
    Veins sunken or below the surface of a leaf.

  3. Incised
    Cut sharply, deeply, and irregularly into angular serrations along the leaf margin.

  4. Indehiscent
    An organ, e.g. a fruit, that does not split open at maturity (See also Dehiscent).

  5. Internode
    Part of the stem between two growing points or nodes.

  6. Involucre
    Multiple bracts beneath a flower sometimes holding on into the fruiting stage as in acorn caps on oaks (Quercus).

  7. Involute
    Margins rolled towards the top of the leaf.

Tutorial Terms

Leaf Apex

Leaf Arrangement

Leaf Base

Leaf Margin

Leaf Shape

Venation

 

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