- pteridosperms
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• папоротникообразные семянные• птеридоспермы
English-Russian dictionary of geology. 2011.
pteridosperms
Смотреть что такое "pteridosperms" в других словарях:
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
cycadophyte — ▪ plant Introduction any member of a diverse collection of mostly extinct primitive gymnospermous plants. They probably had their origins among the progymnosperms of the Devonian Period (416 to 359 million years ago), possibly among a… … Universalium
Medullosales — Temporal range: Carboniferous–Permian … Wikipedia
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
Pteridospermatophyta — † … Wikipédia en Français
Pteridospermatophyte — Pteridospermatophyta Pteridospermatophyta † … Wikipédia en Français
Ptéridospermes — Pteridospermatophyta Pteridospermatophyta † … Wikipédia en Français
Plant — For other uses, see Plant (disambiguation). Plants Temporal range: Early Cambrian to recent, but see text, 520–0 Ma … Wikipedia
Gnetophyta — Taxobox name = Gnetophyta image width = 240px image caption = Welwitschia mirabilis regnum = Plantae divisio = Gnetophyta classis = Gnetopsida subdivision ranks = Genera subdivision = * Gnetum * Welwitschia * Ephedra The plant division Gnetophyta … Wikipedia
Gymnosperm — Taxobox name = Gymnosperms fossil range = fossil range|370|0Devonian Recent image width = 150px image caption = White Spruce leaves (needles) regnum = Plantae subdivision ranks = Divisions subdivision = Pinophyta (or Coniferophyta) Conifers… … Wikipedia
Embryophyte — Land plants Temporal range: Late Silurian–Recent[1][2] (Spores from Dapingian (early Middle Ordovician) … Wikipedia
