Leaf Attachment
Petiolate
Clasping
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Sessile
Sheathing
Stipulate
Connate
Perfoliate
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Leaf Attachment
Petiolate
Leaves attached to the stem by a simple petiole.
Blade
Petiole
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Sessile
The leaf blade is attached to the stem without a petiole.
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Stipulate
Stipules are modified leaves that occur at the base of the petiole.
Blade
Stipule
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Leaflet
Stipule
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Leaf Attachment
Clasping
The leaf blade wraps around the stem. When the leaf base wraps around the
stem it is called amplexicaul. When the leaf base or petiole extends down the
stem it is termed decurrent.
Amplexicaul
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Decurrent
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Leaf Attachment
Sheathing
The leaf base or the stipule forms a sheath that surrounds the stem.
Leaf
base
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Stipule
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Leaf Attachment
Connate
The bases of two opposite leaves fuse around the stem.
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Perfoliate
The leaf surrounds the stem, which passes through the base of the leaf.
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