A growth ring in woody plants, formed by the annual growth of the xylem, often visible in tree trunks.

A ring-shaped structure in certain flowers, such as in some species of lilies.

Referring to a structure that forms a ring or circle, such as an annular leaf or flower part.

A ring-shaped structure found in plant organs like ferns, or as part of the reproductive system in some fungi.

Describing a deviation from the normal or expected pattern, often used in reference to plant growth or development.

Describing a type of ovule that is inverted during development, causing the micropyle to face downward.

Referring to a plant that has an abnormal or non-standard growth pattern, typically used in genetics.

Describing a plant structure, typically a leaf, that is sword-shaped with two edges, tapering to a point.

Describing a structure, typically a leaf, with two distinct sides, often with a pointed or sharp tip.

Referring to a species where male and female flowers are on separate individuals, but the male flowers dominate.