angiosperm

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angiosperm

(ăn`jēəspûrm'), term denoting seed plants in which the ovules, or young seeds, are enclosed within the ovary (that part of the pistil specialized for seed production), in contrast to the gymnosperms, in which the seeds are not enclosed within an ovary. The angiosperms constitute the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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 and include all agricultural crops (including the cereal grains and other grasses), all garden flowers and most horticultural plants, all the common broad-leaved shrubs and trees, and all the usual field, garden, and roadside weeds. The angiosperms are the most economically important group of all plants.

angiosperm

[′an·jē·ō‚spərm]
(botany)
The common name for members of the plant division Magnoliophyta.

angiosperm

A class of seed plants (having seeds enclosed in an ovary) which includes most of the world’s flowering plants.
References in periodicals archive ?
In a letter to his friend Joseph Hooker, Charles Darwin in 1879 famously referred to the origin of flowering plants - the angiosperms - as an 'abominable mystery.
As a result, we believe that, prior to 122,000,000 to 124,000,000 years ago, several families of flowering plants had already begun to diverge.
3) Arrange the parts of the plant on the cardboard to make a picture of a flowering plant.
de Vere explained, Wales is an ideal place to illustrate the potential of flowering plant DNA barcoding.
1) 20 million years ago This amber was produced by an extinct species of Hymenaea, a flowering plant in the pea family.
Washington, Dec 20 ( ANI ): The newly sequenced genome of the Amborella plant can provide insight on a major event in the history of life on Earth: the origin of flowering plants, including all major food crop species.
Summary: TEHRAN (FNA)- Results of a new climate stimulation demonstrated that the world is a cooler and wetter place because of flowering plants
2 ( ANI ): Scientists have said that new fossils have suggested that flowering plants could have originated during the early Triassic, pushing the time believed by about 100 million years.
Washington, June 17 (ANI): Researchers have found that flowering plants contribute much more than non flowering plants towards keeping the atmosphere cooler and wetter.
Scientists have discovered that one of the myriad signals that human brain cells use to communicate also enables flowering plants to have sex.
Before pruning a flowering plant, it makes sense to learn when it produces flower buds and after how much time these buds actually open.
At left, Susan Taeb sniffs the perfume of a flowering plant.