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Entire margin: The margin shows no clefts and is entire: to the left: Honeysuckle (Lonicera implexa), to the right: Common Beech (Fagus silvatica)
Serrate: Pointed teeth meet in an acute angle: left and middle picture: Stinging Nettle (Urtica dioica); to the right: Hop (Humulus lupulus)
Biserrate: Smaller and larger teeth alternate: left: Birch (Betula pendula), middle: Hornbeam (Corylus betulus), right: Hazel (Corylus avellana)
Runcinate: Leaves have large
teeth that are usually pointing backwards and are themselves serrate:
to the left: Dandelion (Taraxacum officinale)
Spinose: The teeth are pointed,
the parts between the teeth are rounded: middle picture: Holly
(Ilex aquifolium), to the right: Hellebore
(Helleborus argutifolius)
Crenate: The leaves are
round-toothed with acute angles: left: Dead Nettle
(Lamium incisum)
Lobed: With curved or rounded
edges: middle left: Coltsfoot (Tussilago farfara),
middle right: Wayfaring Tree (Viburnum lantana), right: Oak (Quercus)
Incised Leaves