Pteridophyta - Characteristics, Life Cycle, Classification.
Spermatophyta synonyms, Spermatophyta pronunciation, Spermatophyta translation, English dictionary definition of Spermatophyta. Noun 1. Spermatophyta - seed plants; comprises the Angiospermae and Gymnospermae; in some classification systems Spermatophyta is coordinate with.Taxonomy, in a broad sense the science of classification, but more strictly the classification of living and extinct organisms. The internationally accepted taxonomic nomenclature is the Linnaean system created by Swedish naturalist Carolus Linnaeus, who drew up rules for assigning names to plants and animals.Life Cycle of Pteridophyta Similar to the life cycle of seed plants, the pteridophytes also involves the alternation of generations in its life cycle. However, the pteridophytes differ from mosses and seed plants in that both generations are independent and free-living.
Spermatophyta: 1 n seed plants; comprises the Angiospermae (or Magnoliophyta) and Gymnospermae (or Gymnospermophyta); in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and Bryophyta (spore producing plants lacking vascular tissue and roots) Synonyms: division.Spermatophyta play an especially important role in the world’s plant cover and in man’s economic activity. Earlier, when the sexual process had not yet been sufficiently studied, Spermatophyta were called Phanerogamae, in contrast to spore plants, which were known as Cryptogamae.
Spermatophyte definition is - any of a group (Spermatophyta) of higher plants comprising those that produce seeds and including the gymnosperms and angiosperms.
