Which leaf arrangement has leaves alternating sides along the stem?

The arrangement of leaves referred to as "alternate" is characterized by leaves that grow at different heights on opposite sides of the stem. This alternate pattern allows for maximum sunlight exposure to each leaf and ensures that the leaves do not shade one another. In botanical terms, each leaf arises at a node on the stem, with the next leaf positioned at a different node further up or down the stem, creating a staggered appearance.

The alternate leaf arrangement is quite common among many plant species and is an important aspect of plant morphology. This adaptation can improve photosynthesis efficiency and overall plant health, as it allows for better air circulation and light penetration.

Understanding leaf arrangements is critical in identifying plant species and plays a significant role in plant care, agricultural practices, and environmental science.