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A seed plant having ovules enclosed in an ovary and exhibiting double fertilization; a flowering plant.

an′gi·o·sper′mous adj.
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Adj.1.angiospermous - of or related to or characteristic of plants that are angiosperms
References in periodicals archive ?
Most of the angiospermous swamp trees that occurred in this wetland were uprooted.
On cornerian and other terminology of angiospermous and gymnospermous seed coats: historical perspective and terminological recommendations.
Four main ecological sporomorph groups characterize the samples: (1) gymnospermous inaperturates and saccates; (2) angiospermous monocotyledons and (3) dicotyledons; and (4) pteridophytic fern spores.
In most conifers micropyle sealing is followed, but less rapidly, with enclosure of the developing embryo and seed by enlargement of cone scales, or other tissues, so that plants now become angiospermous (Table 1).
Thin porous membranes in end walls of tracheids--and then vessels--may be the angiospermous compensation for lack of the margo spaces that conifers have.
Branching in pachycaul Senecios: The Durian Theory and the evolution of angiospermous trees and herbs.