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What is an Herbarium?
Genus Descriptions
Species Descriptions
Ontario FEC V-Types
Bibliography
Terminology
Who Collects the Plants?
Collector Biographies
Nomenclature Primer
Website Information
Northern Ontario Plant Database
Leaf Margins
Revolute
- with margins rolled inward on the lower surface of the leaf.
Involute
- with margins rolled inward on the upper surface of the leaf.
Ciliate
- with hairs projecting out from the leaf margin.
Spinescent
- (also spinose) with stiff acuminate spines along the blade margin.
Repand
- margins with very shallow indentations, cut less than 1/16 the distance to the midrib.
Undulate
- margins with shallow indentations, wavy in a vertical plane.
Sinuate
- margins with shallow wavy indentations, cut 1/16 to ? the distance to the midrib.
Lobed
- (pinnately or palmately) with rounded lobes and rounded sinuses cut ½ to ¼ the distance to the midrib.
Cleft
- (pinnately or palmately) with rounded lobes and convex or straight sinuses cut ¼ to ½ the distance to the midrib.
Parted
- (pinnately or palmately) with lobes cut ½ to ¾ the distance to the midrib.
More Leaf Margins >>
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