biennial

(noun)

a plant that requires two years to complete its life cycle

Related Terms

Examples of biennial in the following topics:

  • Plant Life Spans

    • Biennials, such as carrots, complete their life cycle in two seasons.
    • In a biennial's first season, the plant has a vegetative phase, whereas in the next season, it completes its reproductive phase.

  • Genetic Control of Flowers

    • Many perennial and most biennial plants require vernalization to flower.