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The APG IV system is the fourth in a series of plant taxonomies from the Angiosperm Phylogeny Group. [1] There are a few visible traits that can be linked to many of the families. Most Ericales species tend to have woody stems or branches, seed capsules, cellular endosperm and ladder-like vessel perforations.
This is the top level category for the angiosperms (flowering plants) and their subdivisions (clades, orders, families, genera and species).; Most entries should be put in one of the subcategories, but a small number of articles relating to clades, orders, families or genera too small to have their own categories are put directly here.
Flower of Liriodendron tulipifera, a Mesangiosperm. Mesangiospermae is a clade that contains the majority of flowering plants (angiosperms). Mesangiosperms are therefore known as the core angiosperms, in contrast to the three orders of earlier-diverging species known as the basal angiosperms: Nymphaeales (including water lilies), Austrobaileyales (including star anise), and Amborellales.
The basal angiosperms are the flowering plants which diverged from the lineage leading to most flowering plants. In particular, the most basal angiosperms were called the ANITA grade , which is made up of Amborella (a single species of shrub from New Caledonia), Nymphaeales (water lilies, together with some other aquatic plants) and ...
This category should contain only articles about the families of angiosperms (flowering plants), when the articles are at the scientific name, or redirects from the scientific name in the case of monotypic taxa or articles at the English name.
The rosids are members of a large clade (monophyletic group) of flowering plants, containing about 70,000 species, [2] more than a quarter of all angiosperms. [3]The clade is divided into 16 to 20 orders, depending upon circumscription and classification.
The life cycle of a floral plant — angiosperm. Date: 13 February 2007: Source: did it myself based in at least 5 illustrations but mainly on a image from Judd, Walter S. , Campbell, Christopher S. , Kellog, Elizabeth A. and Stevens, Peter F. 1999. Plant Systematics: A Phylogenetic. Approach.Sinauer Associates Inc. ISBN 0-878934049. Author
[1] [6] The flower stem is known as a pedicel, and those flowers with such a stem are called pedicellate, while those without are called sessile. [7] In the angiosperms, the flowers are arranged on a flower stem as an inflorescence. Just beneath (subtended) the flower there may be a modified, and usually reduced, leaf, called a bract.