gymnosperms

gymnosperms
A group of seed plants, whose seeds are not enclosed in an ovary. The most important group of gymnosperms (Gymnospermae) are the conifers (Coniferae or Coniferales).

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  • gymnosperms — plikasėkliai statusas T sritis ekologija ir aplinkotyra apibrėžtis Stuomeninių augalų tipas (Gymnospermae) – daugiausia visžaliai medžiai ir krūmai, kurių lapai dažniausiai smulkūs, žvyniški arba spygliški, rečiau dideli, plunksniški. Nuo… …   Ekologijos terminų aiškinamasis žodynas

  • gymnosperms — n. plants whose seeds are exposed (Botany) …   English contemporary dictionary

  • gymnosperm — gymnospermism, n. /jim neuh sperrm /, n. Bot. a vascular plant having seeds that are not enclosed in an ovary; a conifer or cycad. Cf. angiosperm. [1820 30; < NL gymnospermae name of type. See GYMNO , SPERM] * * * Any woody plant that reproduces… …   Universalium

  • plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …   Universalium

  • angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

  • reproductive system, plant — Introduction       any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative …   Universalium

  • Plant evolutionary developmental biology — For a more ecological discussion on the evolution of plant morphology, refer to Evolutionary history of plants Evolutionary developmental biology (evo devo) refers to the study of developmental programs and patterns from an evolutionary… …   Wikipedia

  • Flowering plant — Flowering plants Temporal range: Early Cretaceous Recent …   Wikipedia

  • plant development — Introduction       a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… …   Universalium

  • Evolutionary history of plants — Plants have evolved through increasing levels of complexity, from the earliest algal mats, through bryophytes, lycopods, ferns and gymnosperms to the complex angiosperms of today. While the simple plants continue to thrive, especially in the… …   Wikipedia

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