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Non-flowering seed plant approx. 1,000 They are a group of seed producing plants, which include Coniferophyta,Ginkgophyta,Cycadophyta and Gnetophyta. Angiosperms: Flowering plants approx. 300,000 They are divided into two main classes the monocotyledons and dicotyledons, produce seeds that are protected by fruits.
Botany is a natural science concerned with the study of plants.The main branches of botany (also referred to as "plant science") are commonly divided into three groups: core topics, concerned with the study of the fundamental natural phenomena and processes of plant life, the classification and description of plant diversity; applied topics which study the ways in which plants may be used for ...
4 Major plant groups. Toggle Major plant groups subsection. 4.1 Lists. 5 General species concepts. 6 Notable botanists. 7 Scholarly societies. 8 External links.
Green plants, also known as Viridiplantae, Viridiphyta, Chlorobionta or Chloroplastida: Plantae sensu stricto: Some unicellular, some multicellular Plants in a strict sense include the green algae, and land plants that emerged within them, including stoneworts. The relationships between plant groups are still being worked out, and the names ...
A pioneering system of plant taxonomy, Linnaeus's Systema Naturae, Leiden, 1735. This list of systems of plant taxonomy presents "taxonomic systems" used in plant classification. A taxonomic system is a coherent whole of taxonomic judgments on circumscription and placement of the considered taxa. It is only a "system" if it is applied to a ...
The Linnaean classes for plants, in the Sexual System, were (page numbers refer to Species plantarum): Classis 1. Monandria: flowers with 1 stamen; Classis 2. Diandria: flowers with 2 stamens; Classis 3. Triandria: flowers with 3 stamens; Classis 4. Tetrandria: flowers with 4 stamens; Classis 5. Pentandria: flowers with 5 stamens; Classis 6.
[a] In plant taxonomy, August W. Eichler (1883) classified plants into five groups named divisions, a term that remains in use today for groups of plants, algae and fungi. [1] [6] The definitions of zoological phyla have changed from their origins in the six Linnaean classes and the four embranchements of Georges Cuvier. [7]
Angiosperms are by far the most diverse group of land plants with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. [8] They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of broad-leaved trees, shrubs and vines, and most aquatic plants.