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 ?
Key words: Floristic, flora, Rawalakot, Himalaya, angiosperms.
Heterochrony: An Extensive and Nuanced Source of Diversity in Angiosperm Woods.
Adaptive radiation of reproductive characteristics in angiosperms, I: pollination mechanisms.
Torusmargo pits help conifers compete with angiosperms.
Future research should examine the probable causes of diversification for the angiosperm lineages in the areas of endemism in Mega-Mexico.
Fossil evidence for low gas exchange capacities for Early Cretaceous angiosperm leaves.
The phylogenetic tree obtained clearly separated the two major groups; angiosperms and gymnosperms/lycopods.
Evolutionary genomic analyses of ferns reveal that high chromosome number are a product of high retention and fewer rounds of polyploidy relative to Angiosperms.
However, if allowance is made for ash in the 1997 FH material, none of the measured P fractions differed appreciably from those in samples from the angiosperm conifer forests, in which net N[O.
Angiosperms have evolved a multitude of external dispersal adaptations, including wind (anemochory), water (hydrochory), animal (zoochory), and self-dispersal (autochory; Fenner, 1985).