It's kind of like the stem.
Grass leaves are sessile and have no stalk , leaf base of grass leaf is sheathing .
yes
PetioleThe stalk by which a leaf is attached to a stem. Also called Leafstalk.
how do the leaf stalk help to ensure that the leaf had absorb enough sunlight in order to make food
Stem
Yes
no
The small stalk which attaches a leaf to a stem is called the leaf petiole.
The top part of a stalk would be the terminal bud or leaf.
Swollen leaf stalk of water hyacinth keep this herb floating in water. The animals getting trapped in the water body containing water hyacinth escape from drowning due to floating herb by its swollen leaf stalk.
stalk
All leafs grow from a single leaf stalk. If the question is leafs on a stem then the answer is a simple leaf. Characteristic of simple leaves are that each have axillary buds on terminal at the stem. If the question was leaflet on a stalk then its everything except palmately and pinnately lobed. http://www.hcs.ohio-state.edu/hort/biology/Lab/leaftypes.html