biennial

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biennial,

plant requiring two years to complete its life cycle, as distinguished from an annualannual,
plant that germinates from seed, blossoms, produces seed, and dies within one year. Annuals propagate themselves by seed only, unlike many biennials and perennials. They are thus especially suited to environments that have a short growing season.
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 or a perennialperennial,
any plant that under natural conditions lives for several to many growing seasons, as contrasted to an annual or a biennial. Botanically, the term perennial applies to both woody and herbaceous plants (see stem) and thus includes numerous members of the kingdom.
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. In the first year a biennial usually produces a rosette of leaves (e.g., the cabbage) and a fleshy root, which acts as a food reserve over the winter. During the second year the plant produces flowers and seeds and, having exhausted its food reserve, then dies. Short-lived perennials (e.g., the hollyhock) are often treated as biennials. Some biennials will, like annuals, bloom in the same season if sown early; others reseed themselves or produce offsets, thus perpetuating the plant indefinitely so that it becomes essentially a perennial. There are very few true biennials. Many are crop plants, such as carrots and parsnips, which are harvested for their succulent roots at the end of their first growing season.

biennial

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
References in periodicals archive ?
The fair, which began in Los Angeles in 1957 and has been held biennially at the Anaheim Convention Center since 1987, averages 27,500 participants including attendees and exhibitors, with more than 760 exhibiting companies.
Moore Leadership Award is to be presented biennially to an individual who has shown outstanding dedication and guidance for the membership.
The Oceans Act also requires the President to biennially submit a report to the Congress listing all federal programs related to ocean and coastal activities, including current and future funding levels for each program identified, which the Commission can use in its work.
The World Games are held biennially under the auspices of the World Transplant Games Federation.
It was founded in 1990 by Karsten and Louise Solheim, and is played biennially by the top European players from the Evian Ladies European Tour (LET) and the top US players from the Ladies' Professional Golf Association (LPGA).
Stanford University announced the William Saroyan International Prize for Writing, a new literary prize with a purse of $12,500 to be awarded biennially by the Stanford University Libraries in conjunction with the William Saroyan Foundation.
This book has been published biennially for a quarter of a century, and is internationally acknowledged as the leading one-volume reference to the world naval and paranaval forces.
This massive, 1100-page biennially published behemoth has become a standard in the libraries of defence journalists, military analysts, ambassadorial and military officials and any other naval professional who requires a complete picture of the world's naval and paranaval fleets.
Mussels have been collected and analyzed annually or biennially since 1986.
The congress, held biennially since 1990, to discuss measures against HIV/AIDS in the Asia-Pacific region and to share information on research in the field will be held in Japan for the first time, the committee said at a news conference in Kobe.
Research: Researchers selected 492 non-diabetic subjects from a group of women nurses in the Boston area whose diet and health information has been followed up biennially since 1976.
The new award will be conferred biennially to an individual or group contributing to the promotion of peace in the Asia-Pacific region.