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 ?
Let's get this out of the way early: Just about the only biennials that really and truly matter occur in Venice and at the Whitney, In New York.
It was not necessarily a term that practitioners in these regions would have recognised before the advent of these Biennials.
The unique installations on display at the recently opened Al Mureijah heritage site is witness to the fact that art is not only to be seen or heard, but to be felt: "The only other time I attempted to curate something similar was at the 7th Istanbul Biennial in 2001.
But now the man at the helm of the Liver pool Biennial - who turned it from "a bit of a joke" into one of the world's most respected - is to bid it goodbye.
In autumn, 2010, around 628,000 visitors made 834,000 visits to Biennial exhibitions, spending a total of pounds 27.
Launching July 1, the Biennial of the Americas, will be a World's Fair of art and ideas for the Western Hemisphere.
While seed of most biennials can either be sown in short seed-beds in the garden or in trays of seed compost, wallflowers only really thrive if they are sown direct in the soil rather than in trays.
ISTANBUL, Sep 10, 2009 (TUR) -- The 11th International Istanbul Biennial will begin on September 12.
The Sharjah Biennial is one of the most celebrated cultural events in the Arab world.
Szymczyk sees this movement "from the institution toward an event" as precipitating "the proliferation of biennials and a certain demise of institutional exhibitions.
Let me briefly review some recent Whitney Biennials.
They're Building New Worlds of Experience at the 01SJ Biennial