Definition: A type of nut that comes from an oak tree, which has a hard shell and is often found in a cup-like base.

Example: The squirrel buried an acorn in the ground for the winter.

Definition: Describing something that is filled with or has a lot of acorns.

Example: The squirrels were busy gathering acorned nuts for the winter.

Definition: A type of plant that does not have flowers and grows from the top of its main stem, particularly referring to ferns and similar plants.

Example: The acrogen is a type of plant that grows primarily at its tips, such as ferns.

Definition: Referring to a process or growth that starts at the bottom and moves upward toward the top, often used to describe how certain plant parts develop.

Example: The acropetal arrangement of leaves allows the plant to grow more efficiently towards the light.

Definition: This word describes something that is positioned on the side closest to the central line or axis of an object, like the upper part of a leaf.

Example: The adaxial surface of the leaf is where most of the photosynthesis occurs.

Definition: Describing a part that is attached to another part of a different kind, often seen in biology, such as when one plant structure is joined to another.

Example: The adnate stamens of the flower are fused to the petals, creating a unique structure.

Definition: This word describes something that is bent or curved inward, resembling a hook.

Example: The aduncous shape of the plant's leaves helps it to capture more sunlight.

Definition: Relating to a specific type of fungal structure that produces spores.

Example: The aecial stage of the fungus is crucial for its life cycle.

Definition: A type of tissue in some plants that has large air spaces, helping them float and allowing gases to move easily. It is commonly found in the stems and leaves of plants that grow in water.

Example: The aerenchyma in the water lily helps it float on the surface of the pond.

Definition: A type of fragrant wood that comes from certain trees, often used for making perfumes and incense. It is known for its soft texture and pleasant aroma.

Example: The scent of agalloch filled the room as it burned slowly in the incense holder.