Leaves

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Leaves
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Leaf Anatomy
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Typical Dicot Leaf X-Section
Cuticle
Epidermis
Palisade Parenchyma
Vascular bundles
Guard Cells
Spongy Parenchyma
Stoma
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Typical Monocot Leaf X-Section
Bundle sheath cell
Midvein
Epidermis
Vein
Phloem
Xylem
Bulliform Cells
Stoma
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Leaf Stomata Allow Gas Exchange
Guard cells with chloroplasts
Stomata in Zebrina leaf epidermis
Stoma
Subsidiary cells
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Leaf Taxonomy
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Leaf Arrangement on the Stem
Opposite 2 leaves at a node, on opposite sides
of the stem
Spiral 1 leaf per node, with the second leaf
being above the first but attached on the
opposite side of the stem
Whorled 3 or more leaves at a node
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Monocot Leaf
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Dicot Leaf
Adaxial Epidermis
Palisade mesophyll
Spongy mesophyll
midvein
Abaxial Epidermis
midrib
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Leaf modifications
Spines
Tendrils
Lilikoi Passiflora edulis
Common cactus finch, Galapagos
Storage
Petal-like
sepals
petals
Leaf/ bract
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Indian Pipe Monotropa uniflora
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Venus fly trap
Silver sword
Australian pine Casuarina equisetifolia
Brighami rockii
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Tree shrew
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Worlds largest pitcher plant Nepenthes rajah