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 >>