Trichomes: meaning, definitions and examples

plant anatomy

Trichomes are fine outgrowths or appendages on plants, typically unicellular or multicellular, that have diverse structures and functions. They can serve as a defense mechanism against herbivores, help reduce water loss, or even trap insects for carnivorous plants.

leaf hairs, plant hairs, plant trichomes

Examples of usage

• Trichomes on the surface of a tomato plant help protect it from pests.

• The trichomes on the underside of a leaf can help reduce transpiration.

• Some trichomes on certain plants have a sticky substance that traps small insects.