Petiole

 

A petiole is a leaf stalk. 

Big Leaf Maple – drawing © John Muir Laws

 

 

The petiole connects the leaf surface to the stem.

White Alder – drawing © John Muir Laws

 

 

Sometimes, leaves connect directly to the stem without a petiole.

Pacific Trillium – photo courtesy Zoya Akulova-Barlow

 

 

Petioles are sometimes large and long, like on this wild celery.

Pendleton Button-Celery – photo courtesy Zoya Akulova-Barlow

 

Want more?  See Wikipedia.

 

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