plant kingdom

plant kingdom

n.

A main classification of living organisms that includes all plants. Also called vegetable kingdom.

Thesaurus

Noun

1.

plant kingdom - (botany) the taxonomic kingdom comprising all living or extinct plants kingdom Plantae, Plantae plant life, flora, plant - (botany) a living organism lacking the power of locomotion phytology, botany - the branch of biology that studies plants kingdom - the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia Thallophyta - used only in former classifications: comprising what is now considered a heterogeneous assemblage of flowerless and seedless organisms: algae; bacteria; fungi; lichens division Tracheophyta, Tracheophyta - in former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants plant order - the order of plants Bryophyta, division Bryophyta - a division of nonflowering plants characterized by rhizoids rather than true roots and having little or no organized vascular tissue and showing alternation of generations between gamete-bearing forms and spore-bearing forms; comprises true mosses (Bryopsida) and liverworts (Hepaticopsida) and hornworts (Anthoceropsida) division Pteridophyta, Pteridophyta - containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta division Spermatophyta, Spermatophyta - 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) Phanerogamae - in former classification systems: one of two major plant divisions, including all seed-bearing plants; superseded by the division Spermatophyta Cryptogamia - in former classification systems: one of two major plant divisions, including all plants that do not bear seeds: ferns, mosses, algae, fungi plant family - a family of plants plant genus - a genus of plants Lycophyta - used in some classifications for the class Lycopsida: club mosses