Term:
Biennial
Biennial
Definition:
A plant that completes its life cycle in two seasons. Compare with annual and perennial.
A plant that completes its life cycle in two seasons. Compare with annual and perennial.
Glossary Details:
Title: Biennial species. Photos by C. A. Gracie.
Description: Verbascum thapsis is a biennial species from temperate regions of North America. A. Second year plant which will flower, set seed, and die. B. First year plant which photosyntheses to prepare the plant for flowering and fruiting in the second year of its life.