Webster 1913 Edition



+ Gr. [GREEK], [GREEK], seed.]
A plant which has its seeds inclosed in a pericarp. Contrasted with
☞ The term is restricted to exogenous plants, and applied to one of the two grand divisions of these species, the other division including gymnosperms, or those which have naked seeds. The oak, apple, beech, etc., are angiosperms, while the pines, spruce, hemlock, and the allied varieties, are gymnosperms.

Webster 1828 Edition



[Gr. a vessel, and seed.] In botany, a plant which has its seeds inclosed in a pericarp.

Definition 2022




An angiosperm, Magnolia denudata


angiosperm (plural angiosperms)

  1. (botany) Any plant of the clade Angiosperms, characterized by having ovules enclosed in an ovary; a flowering plant.
    • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, page 3-4
      As with the Lejeuneaceae, this pattern of massive speciation appears to be correlated with the Cretaceous explosion of the angiosperms and the simultaneous creation of a host of new microenvironments, differing in humidity, light intensity, texture, etc.
    • 1997, Valentin A. Krassilov, Angiosperm Origins: Morphological and Ecological Aspects, page 134,
      The notion of magnoliaceans as the most primitive living angiosperms, justified or not, does not mean that all their characters, including multilacunar nodal anatomy and the lack of tannins, are primary.
    • 2009, Xin Wang, 3: New Fossils and New Hope for the Origin of Angiosperms, Pierre Pontarotti, Evolutionary Biology: Concept, Modeling, and Application, page 55,
      With all these features, it is pretty easy for one to identify an angiosperm. This is a very normal and common practice for neobotanists. However, the situation becomes complicated when you go back to the early history of angiosperms.

Related terms



angiosperm (not comparable)

  1. (botany) pertaining to the angiosperms.

See also