- gymnosperms
- 裸子植物
English-Chinese geology dictionary (英汉地质大词典). 2013.
gymnosperms
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gymnosperms — noun 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) … Wiktionary
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
