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please also include examples,and tjhe functions. i also wanted to know their concept>definition will be the best.

2007-02-17 15:24:12 · 1 answers · asked by franz 1 in Science & Mathematics Biology

1 answers

Leaves whose shape has been modified to serve a particular function.

Here are several examples from :
http://academic.kellogg.edu/herbrandsonc/bio111/leaves.htm#identify

Shade Leaves
Leaves in the shade receive less total light, thus tend to be thinner and have fewer hairs than leaves on the same tree exposed to direct light.
Leaves of Arid Regions
Many have thick, leathery leaves and few stomata.
Some have succulent, water-retaining leaves, or dense, hairy coverings.
Tendrils
Modified leaves that curl around more rigid objects helping the plant to climb or support weak stems.
Become coiled like a spring as they develop.
When contact is made, the tip curls around the object, and the direction of the coil reverses.
Spines, Thorns, and Prickles
Spines - Modified leaves designed to reduce water loss and protect from herbivory.
Thorns - Modified stems arising in the axils of leaves of woody plants.
Prickles - Outgrowths from the epidermis or cortex.
Storage Leaves - Succulents
Flower-Pot Leaves - Urn-Like Pouches
Window Leaves - Leaves buried in ground.
Reproductive Leaves - New plants at tips.
Floral Leaves - Bracts
Insect-Trapping Leaves
Pitcher Plants
Sundews
Insect-Trapping Leaves
Venus’s Flytraps
Bladderworts

2007-02-17 16:01:49 · answer #1 · answered by GatorGal 4 · 1 0

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