Having four distinct sides or angles; typically used to describe stems or fruits.

Arranged in four vertical rows or ranks along a stem.

A small depression or pit on a plant surface.

Having small pits or depressions; pitted.

Dense, compact subsoil layers that restrict water movement and root growth.

A structure used to support or protect plants, often part of a cold frame or garden bed.

Not attached or fused to any other organ or structure; independent.

Dense clusters of small flowers grouped together to form a composite head, as in sunflowers or daisies.

A device used to flatten and dry flowers for preservation or decorative purposes.

A circular floral arrangement, often used for decorative or ceremonial purposes.