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The gymnosperms consist of five orders of seed plants: Cupressales, Cycadales, Ginkgoales, Gnetales and Pinales. [a] They developed more than 350 million years ago, long before flowering plants, according to the fossil record. The name comes from the Greek for "naked seed"; the egg cells are not protected by ovaries, as in flowering plants. [4]
List of plants discovered by Eleonora Gabrielian; List of garden plants in North America; List of garden plants to feed honey bees in Canada; List of plant genera named for people (A–C) List of plant genera named for people (D–J) List of plant genera named for people (K–P) List of plant genera named for people (Q–Z)
This article lists the living orders of the Viridiplantae, based primarily on the work of Ruggiero et al. 2015. [1] Living order of Lycophytes and ferns are taken from Christenhusz et al. 2011b [2] and Pteridophyte Phylogeny Group. [3]
Science & Plants for Schools; Teaching Documents about Botany Teaching documents, lecture; Why study Plants? Department of Plant Sciences, University of Cambridge; Flora and other plant catalogs or databases. The Virtual Library of Botany; High quality pictures of plants and information about them from Catholic University of Leuven
Many of these plants are listed in Stearn's Dictionary of Plant Names for Gardeners. William Stearn (1911–2001) was one of the pre-eminent British botanists of the 20th century: a Librarian of the Royal Horticultural Society , a president of the Linnean Society and the original drafter of the International Code of Nomenclature for Cultivated ...
Runner – an elongated, slender branch that roots at the nodes or tip. Stolon – A branch that forms near the base of the plant, grows horizontally, and roots and produces new plants at the nodes or apex. Stoloniferous – plants producing stolons. Semi-erect – Not growing perfectly straight.
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 large group of such taxa (for example, all the flowering plants).
In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth , plants that are usable as lumber or plants above a specified height.