Hamamelidales

Last updated
Hamamelis virginiana, a member of the family Hamamelidaceae Hamamelis virginiana - Kohler-s Medizinal-Pflanzen-070.jpg
Hamamelis virginiana , a member of the family Hamamelidaceae

Hamamelidales is an order of flowering plants formerly accepted in a number of systems of plant taxonomy, including the Cronquist system published in 1968 and 1988. The order is not currently accepted in the Angiosperm Phylogeny Group III system of plant taxonomy, the most widely accepted system as molecular systematic studies have suggested that these families are not closely related to each other. [1] [2] The APG II system (2003) assigns them to several different orders: Hamamelidaceae and Cercidiphyllaceae to Saxifragales, Eupteleaceae to Ranunculales, Platanaceae to Proteales, and Myrothamnaceae to Gunnerales. [2] Additional studies of the chloroplast genome have since confirmed that the families moved into the Saxigragales are closely related. [3]

The Cronquist system (1981) included the order in subclass Hamamelidae with the circumscription:

Related Research Articles

<span class="mw-page-title-main">Laurales</span> Order of flowering plants

The Laurales are an order of flowering plants. They are magnoliids, related to the Magnoliales.

<span class="mw-page-title-main">Santalales</span> Order of flowering plants

The Santalales are an order of flowering plants with a cosmopolitan distribution, but heavily concentrated in tropical and subtropical regions. It derives its name from its type genus Santalum (sandalwood). Mistletoe is the common name for a number of parasitic plants within the order.

<span class="mw-page-title-main">Dilleniales</span> Order of flowering plants

The Dilleniales are an order of flowering plants, potentially containing one family, Dilleniaceae. The APG III system of 2009, like the earlier APG II system of 2003, left the Dilleniaceae unplaced as to order, while noting that the name Dilleniales was available. Stevens at the Angiosperm Phylogeny Website has subsequently placed Dilleniaceae in the order Dilleniales.

The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in a series of monographs and texts, including The Evolution and Classification of Flowering Plants and An Integrated System of Classification of Flowering Plants (1981).

<span class="mw-page-title-main">Ranunculales</span> Basal order of flowering plants in the eudicots

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.

<span class="mw-page-title-main">Proteales</span> Order of eudicot flowering plants

Proteales is an order of flowering plants consisting of three families. The Proteales have been recognized by almost all taxonomists.

<span class="mw-page-title-main">Austrobaileyales</span> Order of flowering plants

Austrobaileyales is an order of flowering plants consisting of about 100 species of woody plants growing as trees, shrubs and lianas. The best-known species is Illicium verum, commonly known as star anise. The order belongs to the group of basal angiosperms, the ANA grade, which diverged earlier from the remaining flowering plants. Austrobaileyales is sister to all remaining extant angiosperms outside the ANA grade.

<span class="mw-page-title-main">Zygophyllales</span> Order of dicotyledonous plants

The Zygophyllales are an order of dicotyledonous plants, comprising the following two families:

<span class="mw-page-title-main">Gunnerales</span> Order of flowering plants

The Gunnerales are an order of flowering plants. In the APG III system (2009) and APG IV system (2016) it contains two genera: Gunnera and Myrothamnus. In the Cronquist system (1981), the Gunneraceae were in the Haloragales and Myrothamnaceae in the Hamamelidales. DNA analysis was definitive, but the grouping of the two families was a surprise, given their very dissimilar morphologies. In Cronquist's old system, and Takhtajan's (1997), the Gunneraceae were in the Rosidae, and the Myrothamnaceae were in the Hamamelids. In modern classification systems such as APG III and APG IV this order was the first to derive from the core eudicots.

<span class="mw-page-title-main">Hamamelidaceae</span> Witch-hazel, a shrub or small tree

Hamamelidaceae, commonly referred to as the witch-hazel family, is a family of flowering plants in the order Saxifragales. The clade consists of shrubs and small trees positioned within the woody clade of the core Saxifragales. An earlier system, the Cronquist system, recognized Hamamelidaceae in the Hamamelidales order.

<span class="mw-page-title-main">Violales</span> Order of eudicot flowering plants

Violales is a botanical name of an order of flowering plants and takes its name from the included family Violaceae; it was proposed by Lindley (1853). The name has been used in several systems, although some systems used the name Parietales for similar groupings. In the 1981 version of the influential Cronquist system, order Violales was placed in subclass Dilleniidae with a circumscription consisting of the families listed below. Some classifications such as that of Dahlgren placed the Violales in the superorder Violiflorae.

<span class="mw-page-title-main">Nelumbonaceae</span> Family of flowering plants

Nelumbonaceae is a family of aquatic flowering plants. Nelumbo is the sole extant genus, containing Nelumbo lutea, native to North America, and Nelumbo nucifera, widespread in Asia. At least five other genera, Nelumbites, Exnelumbites, Paleonelumbo, Nelumbago, and Notocyamus are known from fossils.

<span class="mw-page-title-main">Sabiaceae</span> Family of flowering plants

Sabiaceae is a family of flowering plants that were placed in the order Proteales according to the APG IV system. It comprises three genera, Meliosma, Ophiocaryon and Sabia, with 66 known species, native to tropical to warm temperate regions of southern Asia and the Americas. The family has also been called Meliosmaceae Endl., 1841, nom. rej.

<i>Euptelea</i> Genus of flowering plants

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:

<i>Myrothamnus</i> Genus of shrubs

Myrothamnus is a genus of flowering plants, consisting of two species of small xerophytic shrubs, in the southern parts of tropical Africa and in Madagascar. Myrothamnus is recognized as the only genus in the family Myrothamnaceae.

The APG 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. It was a revision of the first APG system, published in 1998, and was superseded in 2009 by a further revision, the APG III system.

<span class="mw-page-title-main">Commelinids</span> Clade of monocot flowering plants

In plant taxonomy, commelinids is a clade of flowering plants within the monocots, distinguished by having cell walls containing ferulic acid.

The Kubitzki system is a system of plant taxonomy devised by Klaus Kubitzki, and is the product of an ongoing survey of vascular plants, entitled The Families and Genera of Vascular Plants, and extending to 15 volumes in 2018. The survey, in the form of an encyclopedia, is important as a comprehensive, multivolume treatment of the vascular plants, with keys to and descriptions of all families and genera, mostly by specialists in those groups. The Kubitzki system served as the basis for classification in Mabberley's Plant-Book, a dictionary of the vascular plants. Mabberley states, in his Introduction on page xi of the 2008 edition, that the Kubitzki system "has remained the standard to which other literature is compared".

<i>Geissoloma</i> Monotypic genus of flowering plants native to the Cape Province of South Africa

Geissoloma is a genus of flowering plants in the monotypic family Geissolomataceae, native to the Cape Province of South Africa. Geissoloma marginatum is the only species in the family. It is sometimes called guyalone in English. The plants are xerophytic evergreen shrubs and are known to accumulate aluminum.

The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a further revision, the APG IV system.

References

  1. Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society. 161 (2): 105–121. doi: 10.1111/j.1095-8339.2009.00996.x .
  2. 1 2 "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 (4): 399–436. 2003. doi:10.1046/j.1095-8339.2003.t01-1-00158.x.
  3. Dong, Wenpan; Chao Xu; Tao Cheng; Kui Lin; Shiliang Zhou (2013). "Sequencing Angiosperm Plastid Genomes Made Easy: A Complete Set of Universal Primers and a Case Study on the Phylogeny of Saxifragales". Genome Biology and Evolution. 5 (5): 989–997. doi:10.1093/gbe/evt063. PMC   3673619 . PMID   23595020.
  4. Stevens, P. F. "Angiosperm Phylogeny Website". Missouri Botanical Garden. Retrieved 4 October 2013.