What do you mean by APG classification?
Angiosperm Phylogeny Group
The Angiosperm Phylogeny Group (APG) is an informal international group of systematic botanists who collaborate to establish a consensus on the taxonomy of flowering plants (angiosperms) that reflects new knowledge about plant relationships discovered through phylogenetic studies.
What are the 2 types of angiosperms?
The zygote develops into an embryo with a radicle, or small root, and one (monocot) or two (dicot) leaf-like organs called cotyledons. This difference in the number of embryonic leaves is the basis for the two major groups of angiosperms: the monocots and the eudicots.
What are the three types of classification systems?
The three types of classification are artificial classification, natural classification and phylogenetic classification. Further reading: Plant Taxonomy. Living World – Important Notes For NEET.
What does APG II stand for?
The APG II system ( Angiosperm Phylogeny Group II system) of plant classification is the second, now obsolete, version of a modern, mostly molecular -based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Group.
What is APG system in plant taxonomy?
APG system. The APG system (Angiosperm Phylogeny Group system) of plant classification is the first version of a modern, mostly molecular-based, system of plant taxonomy. Published in 1998 by the Angiosperm Phylogeny Group, it was replaced by the improved APG II in 2003, APG III system in 2009 and APG IV system in 2016.
What is the latest version of the APG classification?
Three further versions of the APG classification were published in 2003, 2009 and 2016, each with multiple compilers and contributors. The most recent version, APG IV published this month, has ten compilers and 15 contributors from six countries and is the result of a workshop hosted by Kew in September 2015.
What are higher groups in the APG system?
Higher groups are defined only as clades, with names such as monocots, eudicots, rosids, asterids . The APG system was superseded in 2003 by a revision, the APG II system, in 2009 by a next revision, the APG III system, and then in 2016 by a further revision, the APG IV system . The main groups in the system (all unranked clades) are: