New York Tree Leaves Flashcard

Front

What is a sinus in leaf structure?

Back

A sinus is the indentation or gap between the lobes of a leaf.

Front

What are the thin narrow leaves of a conifer called?

Back

Needles.

Front

What are alternate leaves?

Back

Leaves that are arranged singly along the stem, with each leaf attached at a different height.

Front

What is an example of a tree with heart-shaped leaves?

Back

Red Bud.

Front

What is a compound leaf?

Back

A leaf that is divided into multiple leaflets, each of which can function independently.

Front

What is a petiole?

Back

The stalk that attaches the leaf blade to the stem.

Front

What are lobed leaves?

Back

Leaves that have deep indentations or lobes, giving them a jagged appearance.

Front

What is the apex of a leaf?

Back

The tip or highest point of the leaf.

Front

What is the difference between simple and compound leaves?

Back

Simple leaves have a single blade, while compound leaves consist of multiple leaflets.

Front

What is the function of leaves in trees?

Back

Leaves are responsible for photosynthesis, gas exchange, and transpiration.