Referring to plant organs or parts that stay in place or retain their function for a long period, such as…

A small, protective structure in mosses that covers the spore capsule.

A small, scale-like structure found in some plants, often covering reproductive organs or young shoots.

A mesh material used to protect plants from insect pests by covering the plants or crops.

An organism, typically an insect, that causes damage to plants by feeding on them or spreading diseases.

Plants that are not infested with pests or diseases, and are free from harmful insects or pathogens.

A chemical substance used to kill or control pests, including insects, fungi, and weeds, often applied to crops or plants.

A thin, typically colorful leaf structure of a flower that surrounds the reproductive organs, attracting pollinators.

Resembling a petal in appearance or function, often referring to non-petal parts of a flower that mimic petals.

Relating to the petiole, the stalk that attaches a leaf to the stem of a plant.