New York Tree Leaves Flashcard

Front

What is a compound leaf arrangement?

Back

A compound leaf arrangement is when a leaf is divided into multiple leaflets, which can be arranged in various patterns such as alternate, opposite, or whorled.

Front

Define 'alternate' leaf arrangement.

Back

In an alternate leaf arrangement, leaves are attached at different heights along the stem, with one leaf per node.

Front

Define 'opposite' leaf arrangement.

Back

In an opposite leaf arrangement, two leaves arise at the same level from opposite sides of the stem at each node.

Front

Define 'whorled' leaf arrangement.

Back

In a whorled leaf arrangement, three or more leaves grow from a single node, encircling the stem.

Front

What is a leaf margin?

Back

A leaf margin refers to the edge of a leaf, which can have various shapes such as entire, lobed, or toothed.

Front

What does 'entire' margin mean?

Back

An entire margin is smooth and unbroken, without any indentations or serrations.

Front

What does 'lobed' margin mean?

Back

A lobed margin has deep indentations that create rounded or pointed projections along the edge.

Front

What does 'toothed' margin mean?

Back

A toothed margin has small serrations or teeth along the edge of the leaf.

Front

Identify a tree with lobed leaves.

Back

Common examples include the Oak tree, which has distinct lobed leaves.

Front

Identify a tree with entire margin leaves.

Back

Examples include the Magnolia tree, which has smooth, entire margin leaves.