(redirected from annually)
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms.


plant that germinates from seed, blossoms, produces seed, and dies within one year. Annuals propagate themselves by seed only, unlike many biennialsbiennial,
plant requiring two years to complete its life cycle, as distinguished from an annual or a perennial. 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.
..... Click the link for more information.
 and perennialsperennial,
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.
..... Click the link for more information.
. They are thus especially suited to environments that have a short growing season. Cultivated annuals are usually considered to be of three general types: tender, half-hardy, and hardy. Tender and half-hardy annuals do not mature and blossom in one ordinary temperate growing season unless they are started early under glass and are set outdoors as young plants. Hardy annuals are usually sown where they are expected to bloom. Quite often they reseed themselves year after year. Blooming is prolonged by cutting the flowers before the seeds can form. Typical annual flowers are cosmos, larkspur, petunia, and zinnia; annual vegetables include corn, tomatoes, and wheat.


See H. G. W. Fogg, Dictionary of Annual Plants (new ed. 1972).



a plant that completes its life cycle within a single growing season of usually two to five months. The seeds usually sprout in the spring or summer; by autumn (in temperate climates) the plant is bearing fruit and dying. Annuals include flax, millet, buckwheat, spring wheat, corn cockle, and wild oats. Annual plants that develop particularly rapidly are known as ephemerals; they often mature in four to ten weeks. Some annuals, including knapweeds and shepherd’s purse, can survive the winter in the rosette phase if germination occurs late in the season.

Annuals grow only in those regions where they can complete their growth cycle in the period of a single year. Their numbers are greatest in desert areas and fewest in tundras. Annuals are most common where the plant cover is the least dense. In areas where dense plant cover is present, as in meadows, the annuals generally obtain supplementary nourishment through parasitism or symbiosis; these annuals include such hemiparasites as Alectrolophus, eyebright, and cowwheat, as well as such mycotrophic plants as clover, alfalfa, and gentian. As growing conditions worsen (with increasingly higher latitudes in the northern hemisphere or higher elevations in the mountains), the number of annual plants declines. Some species that are not able to complete their life cycle in harsh conditions in one year become perennials; an example is annual blue grass, which becomes a perennial in arctic and alpine settings.


a plant that completes its life cycle in less than one year
References in periodicals archive ?
Ralcorp Holdings, Battle Creek: $9,000 for a compressed air audit, saving 374,400 kWh annually.
Human Papilloma Virus (HPV): no proof of risk reduction, 12 million new cases annually, worldwide.
This is a direct result of the decline in disk access density as disk capacity has been increasing at 60% annually while disk performance is increasing at well below 10% annually.
Newspaper bags are estimated to grow 4% annually and reach 120.
The Russell Athletic/WBCA Coach of the Year is presented annually to one coach in each of the collegiate divisions: NCAA Division I, NCAA Division II, NCAA Division III, NAIA, and Junior College/Community College as well as High School.
Rather, it may be payable annually or more frequently (e.
0 percent, bringing starting salaries to the range of $54,750 to $69,000 annually.
8 million annually and providing no coverage for the first $100,000 of any claim.
Because so many cases escape detection, 1 million infected women annually progress to pelvic inflammatory disease.
52 percent of camps serve less than 1000 children annually
Annually compounded growth of natural rubber demand through 2000 is expected to be flat.
A qualified interest is a right to receive fixed annuity payments at least annually (a GRANT), or a right to receive, at least annually, annuity payments that are a fixed percentage of the trust's assets revalued annually on the anniversary of the trust's creation (a GRUNT), or any noncontingent remainder interest if all other interests in the trust are GRANTS or GRUNTS.