LeavesLeaves are the primary site of photosynthesis in plants. The structure of a leaf, shapes and sizes of leaves, leaf textures, and the arrangement of leaves on a plant, have all evolved to adapt to the environment the plant lives in and enable the leaves to absorb the greatest amount of light. |
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| Needles: compact versions of simple leaves; lose much less water. | Succulent leaves: thick water-storing leaves | |||
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| Traps: modified leaves of carnivorous plants. | 
A fuzzy finger-like leaf of Echeveria |
Long tubular leaves of Kalanchoe tubiflora |
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 tropical pitcher plant |
 Venus fly trap |
 Sun pitcher |
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| Bracts: colorful petal-like leaves at the bases of flowers. |  Leaves of lithops (living stones or pebble plants) |
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 Magenta bracts of Bougainvilla |
 Spathe of an arum plant |
 Bright red bracts of Euphobia milii |
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