Ranunculales Genera
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Ranunculales Genera
Ranunculales is an order of flowering plants. Of necessity it contains the family Ranunculaceae, the buttercup family, because the name of the order is based on the name of a genus in that family. Ranunculales belongs to a paraphyletic group known as the basal eudicots. It is the most basal clade in this group; in other words, it is sister to the remaining eudicots. Widely known members include poppies, barberries, hellebores, and buttercups. Taxonomy The Angiosperm Phylogeny Group recognized seven families in Ranunculales in their APG III system, published in 2009. In the preceding APG II system, they offered the option of three segregate families as shown below. * order Ranunculales *: family Berberidaceae *: family Circaeasteraceae *:: Kingdoniaceae.html" ;"title=" family Kingdoniaceae"> family Kingdoniaceae *: family Eupteleaceae *: family Lardizabalaceae *: family Menispermaceae *: family Papaveraceae *:: [+ family Fumariaceae ] *:: [+ family Pteridophyllaceae ] *: famil ...
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Early Cretaceous
The Early Cretaceous ( geochronological name) or the Lower Cretaceous (chronostratigraphic name), is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 145  Ma to 100.5 Ma. Geology Proposals for the exact age of the Barremian-Aptian boundary ranged from 126 to 117 Ma until recently (as of 2019), but based on drillholes in Svalbard the defining early Aptian Oceanic Anoxic Event 1a (OAE1a) was carbon isotope dated to 123.1±0.3 Ma, limiting the possible range for the boundary to c. 122–121 Ma. There is a possible link between this anoxic event and a series of Early Cretaceous large igneous provinces (LIP). The Ontong Java-Manihiki-Hikurangi large igneous province, emplaced in the South Pacific at c. 120 Ma, is by far the largest LIP in Earth's history. The Ontong Java Plateau today covers an area of 1,860,000 km2. In the Indian Ocean another LIP began to form at c. 120 Ma, the Kerguelen P ...
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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. , four incremental versions of a classification system have resulted from this collaboration, published in 1998, 2003, 2009 and 2016. An important motivation for the group was what they considered deficiencies in prior angiosperm classifications since they were not based on monophyletic groups (i.e., groups that include all the descendants of a common ancestor). APG publications are increasingly influential, with a number of major herbaria changing the arrangement of their collections to match the latest APG system. Angiosperm classification and the APG In the past, classification systems were typically produced by an individual botanist or by a small group. The result was a large number of systems ( ...
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Pteridophyllaceae
''Pteridophyllum'' is a genus of flowering plant endemic to Japan. Its only species is ''Pteridophyllum racemosum''. The genus was formerly placed in the mono-generic family Pteridophyllaceae, which is now included within the Papaveraceae The Papaveraceae are an economically important family of about 42 genera and approximately 775 known species of flowering plants in the order Ranunculales, informally known as the poppy family. The family is cosmopolitan, occurring in temperat .... References Papaveraceae Monotypic Papaveraceae genera Endemic flora of Japan Taxa named by Adrien René Franchet {{Ranunculales-stub ...
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Fumariaceae
Fumarioideae is a subfamily of the family Papaveraceae (the poppy family). It was formerly treated as a separate family, the Fumariaceae (the fumitory, fumewort or bleeding-heart family). It consists of about 575 species of herbaceous plants in 20 genera, native to the Northern Hemisphere and South Africa. The largest genus is '' Corydalis'' (with 470 species). Description Flower shape Plants in the fumitory subfamily are easily recognised by their peculiar flowers with two dissimilar pairs of petals. One or both of the outer petals is usually spurred, and the inner petals are connected at tip. There are two types of flowers. A given genus has one type or the other. ''Dicentra'' has flowers with two planes of symmetry, and '' Corydalis'' has flowers with one plane of symmetry (zygomorphic). Leaves Most species have compound leaves. Taxonomy The APG IV system of 2016 (unchanged from the earlier 1998 APG system, the 2003 APG II system, and the APG III system of 2009) includes t ...
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Papaveraceae
The Papaveraceae are an economically important family of about 42 genera and approximately 775 known species of flowering plants in the order Ranunculales, informally known as the poppy family. The family is cosmopolitan, occurring in temperate and subtropical climates (mostly in the northern hemisphere), but almost unknown in the tropics. Most are herbaceous plants, but a few are shrubs and small trees. The family currently includes two groups that have been considered to be separate families: Fumariaceae and Pteridophyllaceae. Description The plants may be annual, biennial, or perennial. Usually herbaceous, a few species form shrubs or evergreen trees. They are lactiferous, producing latex, which may be milky or watery, coloured or plain. All parts contain a well-developed duct system (these ducts are called "laticifers"), producing a milky latex, a watery white, yellow or red juice. The simple leaves are alternate or sometimes whorled. They have petioles and are not enc ...
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Menispermaceae
Menispermaceae (botanical Latin: 'moonseed family' from Greek ''mene'' 'crescent moon' and ''sperma'' 'seed') is a family of flowering plants. The alkaloid tubocurarine, a neuromuscular blocker and the active ingredient in the 'tube curare' form of the dart poison curare, is derived from the South American liana ''Chondrodendron tomentosum''. Several other South American genera belonging to the family have been used to prepare the 'pot' and 'calabash' forms of curare. The family contains 68 genera with some 440 species, which are distributed throughout low-lying tropical areas with some species present in temperate and arid regions. Description * Twining woody climbing plants, winding anti-clockwise (''Stephania'' winds clockwise) or vines, rarely upright shrubs or small trees, more rarely still herbaceous plants or epiphytes (''Stephania cyanantha''), perennial or deciduous, with simple to uni-serrate hairs. * Alternate spiral leaves, simple, whole, dentate, lobed to palmatifid ...
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Lardizabalaceae
Lardizabalaceae is a family of flowering plants. The family has been universally recognized by taxonomists, including the APG II system (2003; unchanged from the APG system of 1998), which places it in the order Ranunculales, in the clade eudicots. The family consist of 7 genera with about 40 known species of woody plants. All are lianas, save ''Decaisnea'', which are pachycaul shrubs. The leaves are alternate, and compound (usually palmate), with pulvinate leaflets. The flowers are often in drooping racemes. They are found in eastern Asia, from the Himalayas to Japan, with the exception of the genera ''Lardizabala'' and ''Boquila'', both native to southern South America (Chile, and ''Boquila'' also in adjacent western Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th . ...
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Eupteleaceae
''Euptelea'' is a genus of two species of flowering plants in the monogeneric family Eupteleaceae. The genus is found from Assam east through China to Japan, and consists of shrubs or small trees: *'' Euptelea pleiosperma'' *'' Euptelea polyandra'' The genus was previously placed in the family Trochodendraceae, but the family Eupteleaceae has been recognized by many taxonomists. The APG IV system (2016; unchanged from the APG III system of 2009, the APG II system of 2003 and the APG system of 1998), recognizes it and places it in the order Ranunculales, in the clade eudicots. The family consists of a single genus ''Euptelea'', with two species, native to eastern Asia. ''Euptelea polyandra'' is used as a food plant by the larvae of some Lepidoptera species including the engrailed. The flowers lack sepals and petals. The anthers are basifixed, and the leaves are arranged in whorls.Yi Ren, Hong-Fang Li, Liang Zhao, and Peter K. Endress. 2007. "Floral Morphogenesis in ''Euptele ...
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Circaeasteraceae
Circaeasteraceae is a family of two species of herbaceous plants native to China and the Himalayas. The family has been recognized by many taxonomists. The APG II system (2003; unchanged from the APG system of 1998), recognizes it and places it in the order Ranunculales in the clade eudicots The eudicots, Eudicotidae, or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicots .... It treats the family to consist of two genera each with a single species, '' Circaeaster agrestis'' and '' Kingdonia uniflora'', but allows the option of segregating the latter species as family Kingdoniaceae. The APG III system of 2009 also recognizes the two species but no longer allows the optional segregation into Kingdoniaceae. References External links Circaeasteraceae
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Berberidaceae
The Berberidaceae are a family of 18 genera of flowering plants commonly called the barberry family. This family is in the order Ranunculales. The family contains about 700 known species, of which the majority are in ''Berberis''. The species include trees, shrubs and perennial herbaceous plants. General The APG IV system of 2016 recognises the family and places it in the order Ranunculales in the clade eudicots. In some older treatments of the family, Berberidaceae only included four genera (''Berberis, Epimedium, Mahonia, Vancouveria''), with the other genera treated in separate families, Leonticaceae (''Bongardia, Caulophyllum, Gymnospermium, Leontice''), Nandinaceae (''Nandina''), and Podophyllaceae (''Achlys, Diphylleia, Dysosma, Jeffersonia, Podophyllum, Ranzania, Sinopodophyllum''). ''Mahonia'' is very closely related to ''Berberis'', and included in it by many botanists. However, recent DNA-based phylogenetic research has reinstated ''Mahonia'', though with a handfu ...
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Segregate (taxonomy)
In taxonomy, a segregate, or a segregate taxon is created when a taxon is split off from another taxon. This other taxon will be better known, usually bigger, and will continue to exist, even after the segregate taxon has been split off. A segregate will be either new or ephemeral: there is a tendency for taxonomists to disagree on segregates, and later workers often reunite a segregate with the 'mother' taxon. If a segregate is generally accepted as a 'good' taxon it ceases to be a segregate. Thus, this is a way of indicating change in the taxonomic status. It should not be confused with, for example, the subdivision of a genus into subgenera. :For example, the genus ''Alsobia'' is a ''segregate'' from the genus ''Episcia''; The genera ''Filipendula'' and ''Aruncus'' are segregates from the genus ''Spiraea''. External links A more detailed explanation with multiple examples on mushroom A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typica ...
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