Raffia palm

One leaf can be 65 ft long

Alocasia

Largest undivided blade

12 ft by 7 ft

Grows in the Amazon

The leaves float on the water and are up to 15 ft across

They are strong enough to hold a small child

Duck Weed

Floats in pond water

32 leaves make one inch

Skinny, long, curled shape

Wraps around twigs, etc to help support the plant

Grape vines make them

Pointsettia - the bright red Christmas flower.

The red "petals" are really bracts or modified leaves.

Cactus spines are modified leaves.

We know because they have axillary leaves.

Made to protect the plant from hungry herbivores that want to eat the plant!

Pine needles are modified leaves.  They have

1.  reduced surface area to reduce water loss

2.  Thick waxy cuticle

3.  Sunken stomata

Small, modified leaves

They cover and protect shoot meristems

Makes specialized leaves that become hollow forming a storage container.

The plant fills this container with water.

It then makes adventitious roots that grow into the water so the plant can transport it to other plant parts.

Reproductive Leaves

Kalanchoe

The plants makes baby plants along the leaf margin.

Sensitive plant

This plant closes its compound leave when it is touched.

This helps the plant hide its green color so herbivores will not want to eat it.

A woody, perennial vine that has a rash-causing chemical in its parts.

The rash is very itchy.

Poison ivy has compound leaves.  They are pinnately compound.

"When leaves are three, don't touch me."