Information about Apg Ii System
A modern system of plant taxonomy, the APG II system of plant classification was published in 2003 by the Angiosperm Phylogeny Group, APG, in
The APG II system is the successor of the APG system. Each of these systems represents the broad consensus of a number of systematic botanists, united in the APG, working at several institutions worldwide.
The APG II system has proven to be influential and has been adopted in whole or in part (sometimes with modifications) in a number of recent references.
Main groups in the system (all unranked clades):
- Angiosperm Phylogeny Group (2003). An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II. Botanical Journal of the Linnean Society 141: 399-436. (Available online: Abstract | Full text (HTML) | Full text (PDF))
The APG II system is the successor of the APG system. Each of these systems represents the broad consensus of a number of systematic botanists, united in the APG, working at several institutions worldwide.
The APG II system has proven to be influential and has been adopted in whole or in part (sometimes with modifications) in a number of recent references.
Main groups in the system (all unranked clades):
- angiosperms :
- :magnoliids
- :monocots
- ::commelinids
- :eudicots
- ::core eudicots
- :::rosids
- ::::eurosids I
- ::::eurosids II
- :::asterids
- ::::euasterids I
- ::::euasterids II
- clade angiosperms
- ::: family Amborellaceae
- ::: family Chloranthaceae
- ::: family Nymphaeaceae [+ family Cabombaceae]
- :: order Austrobaileyales
- : clade magnoliids
- ::: order Canellales
- ::: order Laurales
- ::: order Magnoliales
- ::: order Piperales
- : clade monocots
- :::: family Petrosaviaceae
- ::: order Acorales
- ::: order Alismatales
- ::: order Asparagales
- ::: order Dioscoreales
- ::: order Liliales
- ::: order Pandanales
- ::clade commelinids
- ::::: family Dasypogonaceae
- :::: order Arecales
- :::: order Commelinales
- :::: order Poales
- :::: order Zingiberales
- : order Ceratophyllales
- : clade eudicots
- :::: family Buxaceae [+ family Didymelaceae]
- :::: family Sabiaceae
- :::: family Trochodendraceae [+ family Tetracentraceae]
- ::: order Proteales
- ::: order Ranunculales
- :: clade core eudicots
- ::::: family Aextoxicaceae
- ::::: family Berberidopsidaceae
- ::::: family Dilleniaceae
- :::: order Gunnerales
- :::: order Caryophyllales
- :::: order Santalales
- :::: order Saxifragales
- ::: clade rosids
- :::::: family Aphloiaceae
- :::::: family Geissolomataceae
- :::::: family Ixerbaceae
- :::::: family Picramniaceae
- :::::: family Strasburgeriaceae
- :::::: family Vitaceae
- ::::: order Crossosomatales
- ::::: order Geraniales
- ::::: order Myrtales
- :::: clade eurosids I
- ::::::: family Zygophyllaceae [+ family Krameriaceae]
- ::::::: family Huaceae
- :::::: order Celastrales
- :::::: order Cucurbitales
- :::::: order Fabales
- :::::: order Fagales
- :::::: order Malpighiales
- :::::: order Oxalidales
- :::::: order Rosales
- :::: clade eurosids II
- ::::::: family Tapisciaceae
- :::::: order Brassicales
- :::::: order Malvales
- :::::: order Sapindales
- ::: clade asterids
- ::::: order Cornales
- ::::: order Ericales
- :::: clade euasterids I
- ::::::: family Boraginaceae
- ::::::: family Icacinaceae
- ::::::: family Oncothecaceae
- ::::::: family Vahliaceae
- :::::: order Garryales
- :::::: order Gentianales
- :::::: order Lamiales
- :::::: order Solanales
- :::: clade euasterids II
- ::::::: family Bruniaceae
- ::::::: family Columelliaceae [+ family Desfontainiaceae]
- ::::::: family Eremosynaceae
- ::::::: family Escalloniaceae
- ::::::: family Paracryphiaceae
- ::::::: family Polyosmaceae
- ::::::: family Sphenostemonaceae
- ::::::: family Tribelaceae
- :::::: order Apiales
- :::::: order Aquifoliales
- :::::: order Asterales
- :::::: order Dipsacales
This list of systems of plant taxonomy presents “taxonomic systems” used in plant classification.
A is a coherent whole of taxonomic judgements on circumscription and placement of the considered taxa.
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A is a coherent whole of taxonomic judgements on circumscription and placement of the considered taxa.
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The Angiosperm Phylogeny Group, or APG, refers to two international groups of systematic botanists who came together to try to establish a consensus view of the taxonomy of flowering plants that would reflect new knowledge in angiosperm relationships molecular systematics.
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A modern system of plant taxonomy, the APG system of plant classification was published in 1998 by the Angiosperm Phylogeny Group. The system is unusual in being based, not on total evidence, but on the cladistic analysis of the DNA sequences of three genes, two chloroplast genes
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Botany is the scientific study of plant life. As a branch of biology, it is also called plant science(s), phytology, or plant biology. Botany covers a wide range of scientific disciplines that study plants, algae, and fungi including: structure, growth,
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In botanical nomenclature, a taxon is usually assigned to a rank in a hierarchy. The basic rank is that of species, and if an organism is named it most often will receive a species name.
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magnoliids (plural, not capitalized) or magnoliid complex is used by the APG II system (2003) for a clade within the angiosperms. The circumscription is:
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- clade magnoliids :
- : order Canellales
- : order Laurales
- : order Magnoliales
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Monocotyledones
orders
about 10; see text
Monocotyledons or monocots are one of two major groups of flowering plants (angiosperms) that are traditionally recognized, dicotyledons or dicots being the other.
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orders
about 10; see text
Monocotyledons or monocots are one of two major groups of flowering plants (angiosperms) that are traditionally recognized, dicotyledons or dicots being the other.
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In plant taxonomy, the name commelinids (plural, not capitalised) is used by the APG II system for a clade within the monocots, which in its turn is a clade within the angiosperms.
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Eudicots
Clades
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Clades
- Ranunculales
- Sabiales
- Proteales
- Trochodendrales
- Buxales
- Gunnerales
- Core eudicots:
- Berberidopsidales
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Eudicots
Clades
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Clades
- Ranunculales
- Sabiales
- Proteales
- Trochodendrales
- Buxales
- Gunnerales
- Core eudicots:
- Berberidopsidales
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rosids refers to a clade, meaning a monophyletic group of plants. This clade is one of the two main groups in the eudicots, the other being the asterids.
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rosids refers to a clade, meaning a monophyletic group of plants. This clade is one of the two main groups in the eudicots, the other being the asterids.
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rosids refers to a clade, meaning a monophyletic group of plants. This clade is one of the two main groups in the eudicots, the other being the asterids.
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In the APG II system (2003) for the classification of flowering plants, the name asterids refers to a clade (a monophyletic group).
Most of the taxa belonging to this clade had been referred to the Asteridae in the Cronquist system (1981) and to the Sympetalae in earlier
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Most of the taxa belonging to this clade had been referred to the Asteridae in the Cronquist system (1981) and to the Sympetalae in earlier
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In the APG II system (2003) for the classification of flowering plants, the name asterids refers to a clade (a monophyletic group).
Most of the taxa belonging to this clade had been referred to the Asteridae in the Cronquist system (1981) and to the Sympetalae in earlier
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Most of the taxa belonging to this clade had been referred to the Asteridae in the Cronquist system (1981) and to the Sympetalae in earlier
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In the APG II system (2003) for the classification of flowering plants, the name asterids refers to a clade (a monophyletic group).
Most of the taxa belonging to this clade had been referred to the Asteridae in the Cronquist system (1981) and to the Sympetalae in earlier
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Most of the taxa belonging to this clade had been referred to the Asteridae in the Cronquist system (1981) and to the Sympetalae in earlier
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Amborellaceae
Pichon (1948)
Amborellaceae, or the Amborella Family, is a family of flowering plants endemic to New Caledonia. The family consists of only a single species, Amborella trichopoda.
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Pichon (1948)
Amborellaceae, or the Amborella Family, is a family of flowering plants endemic to New Caledonia. The family consists of only a single species, Amborella trichopoda.
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angiosperms
Order: unplaced
Family: Chloranthaceae
R.Br. ex Sims (1820)
genera
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Order: unplaced
Family: Chloranthaceae
R.Br. ex Sims (1820)
genera
- Ascarina
- Chloranthus
- Hedyosmum
- Sarcandra
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Nymphaeaceae
Salisb. (1805)
Nymphaeaceae is the retarded name of a family of flowering plants. The family is also called the water lily family. The white water lily is the national flower of Bangladesh. It is also the birth flower for July.
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Salisb. (1805)
Nymphaeaceae is the retarded name of a family of flowering plants. The family is also called the water lily family. The white water lily is the national flower of Bangladesh. It is also the birth flower for July.
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Austrobaileyales is the botanical name for an order of flowering plants, consisting of several dozen species of woody plants. It is only rarely recognised by systems of classification (an exception is the Reveal system).
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Canellales
Cronquist (1957)
families
see text
Canellales is the botanical name for an order of flowering plants. It is only rarely recognized by systems of plant classification.
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Cronquist (1957)
families
see text
Canellales is the botanical name for an order of flowering plants. It is only rarely recognized by systems of plant classification.
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Laurales
Perleb
Families
Atherospermataceae
Calycanthaceae
Gomortegaceae
Hernandiaceae
Lauraceae
Monimiaceae
Siparunaceae
The Laurales are an order of flowering plants.
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Perleb
Families
Atherospermataceae
Calycanthaceae
Gomortegaceae
Hernandiaceae
Lauraceae
Monimiaceae
Siparunaceae
The Laurales are an order of flowering plants.
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Magnoliales
Bromhead
Families
see text
Magnoliales is an order of flowering plants.
The APG system (1998) and the APG II system (2003) place this order is in the clade magnoliids, circumscribed as follows:
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Bromhead
Families
see text
Magnoliales is an order of flowering plants.
The APG system (1998) and the APG II system (2003) place this order is in the clade magnoliids, circumscribed as follows:
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magnoliids
Order: Piperales
Dumort. (1829)
families
see text
Piperales is a botanical name for an order of flowering plants.
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Order: Piperales
Dumort. (1829)
families
see text
Piperales is a botanical name for an order of flowering plants.
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Monocotyledones
orders
about 10; see text
Monocotyledons or monocots are one of two major groups of flowering plants (angiosperms) that are traditionally recognized, dicotyledons or dicots being the other.
..... Click the link for more information.
orders
about 10; see text
Monocotyledons or monocots are one of two major groups of flowering plants (angiosperms) that are traditionally recognized, dicotyledons or dicots being the other.
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Petrosaviaceae is the botanical name of a family of flowering plants. Such a family has been recognized by only few taxonomists: the plants involved were usually treated as belonging to the family Liliaceae.
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Acorales
Reveal
Family: Acoraceae
Martinov
Genus: Acorus
L., 1753
Species
See text.
Acorus is a genus of monocot flowering plants.
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Reveal
Family: Acoraceae
Martinov
Genus: Acorus
L., 1753
Species
See text.
Acorus is a genus of monocot flowering plants.
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Alismatales
Dumort.
Families
See text
Alismatales is an order of flowering plants. The order will of necessity contain the family Alismataceae.
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Dumort.
Families
See text
Alismatales is an order of flowering plants. The order will of necessity contain the family Alismataceae.
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Asparagales
Bromhead
families
See text
Asparagales is an order of flowering plants. The order must include the family Asparagaceae, but other families included in the order have varied markedly between different classifications.
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Bromhead
families
See text
Asparagales is an order of flowering plants. The order must include the family Asparagaceae, but other families included in the order have varied markedly between different classifications.
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