|form of a diploid plant in the alternation of generations that produces asexual spores|
|organism capable of self-nourishment which uses photosynthesis or chemosynthesis for energy|
|1.||occurring every two years|
|2.||Compare biannual lasting two years|
|3.||annual Compare perennial a plant, such as the carrot, that completes its life cycle within two years, developing vegetative storage parts during the first year and flowering and fruiting in its second year|
|4.||an event that takes place every two years|
|biennial (bī-ěn'ē-əl) Pronunciation Key
Adjective Completing a life cycle normally in two growing seasons.
Noun A biennial plant. In the first year, biennials normally produce a short stem, a rosette of leaves, and a fleshy root that acts as food supply. In the second season, biennials blossom, produce seed, use up their food supply, and die. Carrots, parsnips, and sugar beets are examples of biennials. Compare annual, perennial.