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 ?
Due to cool and humid conditions for most of year, the vegetation in the area comprises a wide diversity of angiosperms.
Hypothesis: Although in angiosperms at large the tracheid may have been the ancestral imperforate tracheary element type, the phylogeny of Brassicales (Fig.
Angiosperm radiation and patterns of Cretaceous palynological diversity, p.
Pit membranes of Ephedra resemble gymnosperms more than angiosperms.
Angiosperms were chosen because they are one of the most diverse groups of organisms in Mexico.
Eady angiosperms from the Lower Cretaceous of Jixi, eastern Heilongjiang, China.
Using Fossils to Break Long Branches in Molecular Dating: A Comparison of Relaxed Clocks Applied to the Origin of Angiosperms.
The phylogenetic tree obtained clearly separated the two major groups; angiosperms and gymnosperms/lycopods.
An update of the angiosperm phylogeny group classification for the orders and families of flowering plants: APG II.
Dilcher argues for the necessity of a new concept of angiosperms based on the interaction and coevolution of angiosperms and insects.
We wait like angiosperms for blinding extinction, our existence a