|1.||lasting throughout the year or through many years|
|3.||annual Compare biennial a woody or herbaceous plant that can continue its growth for at least two years|
|[C17: from Latin perennis continual, from per through + annus year]|
perennial [%PREMIUM_LINK%] (pə-rěn'ē-əl) Pronunciation Key |
Adjective Living for three or more years.
Noun A perennial plant. Herbaceous perennials survive winter and drought as underground roots, rhizomes, bulbs, corms, or tubers. Woody perennials, including vines, shrubs, and trees, usually stop growing during winter and drought. Asters, irises, tulips, and peonies are familiar garden perennials. Compare annual, biennial.