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Saxifragales
The Saxifragales (saxifrages) are an order of flowering plants (Angiosperms). They are an extremely diverse group of plants which include trees, shrubs, perennial herbs, succulent and aquatic plants. The degree of diversity in terms of vegetative and floral features makes it difficult to define common features that unify the order. In the Angiosperm Phylogeny Group classification system, the Saxifragales are placed within the major division of flowering plants referred to as eudicots, specifically the core eudicots. This subgroup consists of the Dilleniaceae, superasterids and superrosids. The superrosids in turn have two components, rosids and Saxifragales. The Saxifragales order has undergone considerable revision since its original classification based purely on plant characteristics. The modern classification is based on genetic studies using molecular phylogenetics. There is an extensive fossil record from the Turonian-Campanian (late Cretaceous) time, about 90 millio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hamamelidaceae
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. Description The Hamamelidaceae are distinguishable from other families in the Saxifragales due to the range of floral characteristics that are generally uniform though all genera. Uniform characteristics include stipules borne on stems with leaves often 2-ranked. Genera usually have a two carpel gynoecium, although some species show variation. Other characteristics include a multicellular stigma, with shallow papillae or ridges. Anthers Anther structure and the modes of opening are considered to be one of the most important features in the systematics and evolution of hamamelids. The anthers in Hamamelids are on average shorter than in other familie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saxifragaceae
Saxifragaceae is a family of herbaceous perennial flowering plants, within the core eudicot order Saxifragales. The taxonomy of the family has been greatly revised and the scope much reduced in the era of molecular phylogenetic analysis. The family is divided into ten clades, with about 640 known species in about 35 accepted genera. About half of these consist of a single species, but about 400 of the species are in the type genus '' Saxifraga''. The family is predominantly distributed in the northern hemisphere, but also in the Andes in South America. Description Species are herbaceous perennials (rarely annual or biennial), sometimes succulent or xerophytic, often with perennating rhizomes. The leaves are usually basally aggregated in alternate rosettes, sometimes on inflorescence stems. They are usually simple, rarely pinnately or palmately compound. Their margins may be entire, deeply lobed, cleft, crenate or dentate and petiolate with stipules. The inflorescences ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crassulaceae
The Crassulaceae (from Latin ''crassus'', thick), also known as the stonecrop family or the orpine family, are a diverse family of dicotyledon flowering plants characterized by succulent leaves and a unique form of photosynthesis, known as Crassulacean acid metabolism (CAM). Flowers generally have five floral parts. Crassulaceae are usually herbaceous but there are some subshrubs, and relatively few treelike or aquatic plants. Crassulaceae are a medium size monophyletic family in the core eudicots, among the order Saxifragales, whose diversity has made infrafamilial classification very difficult. The family includes approximately 1,400 species and 34–35 genera, depending on the circumscription of the genus ''Sedum'', and distributed over three subfamilies. Members of the Crassulaceae are found worldwide, but mostly in the Northern Hemisphere and southern Africa, typically in dry and/or cold areas where water may be scarce, although a few are aquatic. Crassulaceae are mainly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haloragaceae
Haloragaceae (the watermilfoil family) is a eudicot flowering plant family in the order Saxifragales, based on the phylogenetic APG system. In the Cronquist system, it was included in the order Haloragales. Description The Haloragaceae are very diverse in habit, including both small trees and submerged aquatics. Most members of the Haloragaceae are herbaceous, and most of those in turn are perennials, though some species are annuals. In contrast however, members of the genus ''Haloragodendron'' are woody. Most species of ''Myriophyllum'' are monoecious while most other taxa have hermaphrodite flowers. The flowers are usually small and inconspicuous, but some genera can have more "showy" conspicuous flowers (''Haloragodendron'', ''Glischrocaryon''). Flowers are usually radially symmetrical, and unusual for core eudicots, merosity is (2-3)-4 parted. Petals are usually keeled or hooded when present. In ''Myriophyllum'' female flowers usually lack a perianth. They have (2-)4- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tetracarpaeaceae
''Tetracarpaea'' is the only genus in the flowering plant family Tetracarpaeaceae.Richard K. Brummitt. 2007. "Tetracarpaeaceae" pages 316-317. In: Vernon H. Heywood, Richard K. Brummitt, Ole Seberg, and Alastair Culham. ''Flowering Plant Families of the World''. Firefly Books: Ontario, Canada. .Klaus Kubitzki. 2007. "Tetracarpaeaceae" pages 456-457. In: Klaus Kubitski (editor). ''The Families and Genera of Vascular Plants'' volume IX. Springer-Verlag: Berlin;Heidelberg, Germany. Some taxonomists place it in the family Haloragaceae ''sensu lato'', expanding that family from its traditional circumscription to include ''Penthorum'' and ''Tetracarpaea'', and sometimes '' Aphanopetalum'' as well.Shuguang Jian, Pamela S. Soltis, Matthew A. Gitzendanner, Michael J. Moore, Ruiqi Li, Tory A. Hendry, Yin-Long Qiu, Amit Dhingra, Charles D. Bell, and Douglas E. Soltis. 2008. "Resolving an Ancient, Rapid Radiation in Saxifragales". ''Systematic Biology'' 57(1):38-57. (see ''External links'' bel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peridiscaceae
Peridiscaceae is a family of flowering plants in the order Saxifragales.Peter F. Stevens. 2001 onwards. "Peridiscaceae". At: Angiosperm Phylogeny Website At: Missouri Botanical Garden Website. (see ''External links'' below). Four genera comprise this family: '' Medusandra, Soyauxia, Peridiscus'', and '' Whittonia''.,Kenneth J. Wurdack and Charles C. Davis. 2009. "Malpighiales phylogenetics: Gaining ground on one of the most recalcitrant clades in the angiosperm tree of life." ''American Journal of Botany'' 96(8):1551-1570. with a total of 12 known species. It has a disjunct distribution, with ''Peridiscus'' occurring in Venezuela and northern Brazil, ''Whittonia'' in Guyana,Clemens Bayer. 2007. "Peridiscaceae" pages 297-300. In: Klaus Kubitski (editor). ''The Families and Genera of Vascular Plants'' volume IX. Springer-Verlag: Berlin;Heidelberg, Germany. ''Medusandra'' in Cameroon, and ''Soyauxia'' in tropical West Africa.Vernon H. Heywood, Richard K. Brummitt, Ole Seberg, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cynomoriaceae
''Cynomorium'' is a genus of parasitic perennial flowering plants in the family Cynomoriaceae. The genus consists of only one species, ''Cynomorium coccineum'' (although one of its subspecies is sometimes treated as a separate species). Its placement in the Saxifragales was resolved in 2016 with the help of nuclear, plastid, and mitochondrial sequences obtained from next-generation sequencing. Common names include the misleading Maltese fungus or Maltese mushroom; also desert thumb, red thumb, ''tarthuth'' (Bedouin) and ''suoyang'' (Chinese). A rare or local species, it grows in dry, rocky or sandy soils, often in salt marshes or other saline habitats close to the coast. It has had a wide variety of uses in European, Arabian and Chinese herbal medicine.ITM Online: ''CYNOMORIUM: Parasiti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paeoniaceae
The peony or paeony is a flowering plant in the genus ''Paeonia'' , the only genus in the family Paeoniaceae . Peonies are native to Asia, Europe and Western North America. Scientists differ on the number of species that can be distinguished, ranging from 25 to 40, although the current consensus is 33 known species. The relationships between the species need to be further clarified. Most are herbaceous perennial plants tall, but some are woody shrubs tall. They have compound, deeply lobed leaves and large, often fragrant flowers, in colors ranging from purple and pink to red, white or yellow, in late spring and early summer. The flowers have a short blooming season, usually only 7–10 days. Peonies are popular garden plants in temperate regions. Herbaceous peonies are also sold as cut flowers on a large scale, although generally only available in late spring and early summer. Description Morphology All Paeoniaceae are herbaceous perennials or deciduous shrubs, with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grossulariaceae
''Ribes'' is a genus of about 200 known species of flowering plants, most of them native to the temperate regions of the Northern Hemisphere. The various species are known as currants or gooseberries, and some are cultivated for their edible fruit or as ornamental plants. ''Ribes'' is the only genus in the family Grossulariaceae. Description ''Ribes'' species are medium shrublike plants with marked diversity in strikingly diverse flowers and fruit. They have either palmately lobed or compound leaves, and some have thorns. The sepals of the flowers are larger than the petals, and fuse into a tube or saucer shape. The ovary is inferior, maturing into a berry with many seeds. Taxonomy ''Ribes'' is the single genus in the Saxifragales family Grossulariaceae. Although once included in the broader circumscription of Saxifragaceae '' sensu lato'', it is now positioned as a sister group to Saxifragaceae ''sensu stricto''. Subdivision First treated on a worldwide basis in 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aphanopetalaceae
''Aphanopetalum'' is a genus of twining shrubs or vines in the family Aphanopetalaceae which are endemic to Australia. The genus is placed alone in family Aphanopetalaceae, which is in turn now placed in order Saxifragales. Until recently this family was placed in Oxalidales, and before that the genus was included in family Cunoniaceae, also within Oxalidales. The type species is '' Aphanopetalum resinosum''. There are two species: *'' Aphanopetalum clematideum'' (Harv.) Domin, endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ... to limestone cliffs of south western Australia *'' Aphanopetalum resinosum'' Endl. - gum vine, endemic to southern Queensland and New South Wales The Aphanopetalaceae are scrambling shrubs with lenticellate stems, having opposite and serrate leave ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Penthoraceae
''Penthorum'' is a genus of plants in the order Saxifragales. They are erect herbaceous perennials about half a meter tall. The genus consists of two species, one from east Asia and one from eastern North America. It is variously classified in the family Saxifragaceae or its own family Penthoraceae. Its closest relatives may be in Haloragaceae Haloragaceae (the watermilfoil family) is a eudicot flowering plant family in the order Saxifragales, based on the phylogenetic APG system. In the Cronquist system, it was included in the order Haloragales. Description The Haloragaceae are .... References Saxifragales Saxifragales genera {{Saxifragales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Altingiaceae
Altingiaceae is a small family of flowering plants in the order Saxifragales, Peter F. Stevens (2001 onwards). "Altingiaceae". At: Angiosperm Phylogeny Website. At: Missouri Botanical Garden Website. (see ''External links'' below) consisting of wind-pollinated trees that produce hard, woody fruits containing numerous seeds. The fruits have been studied in considerable detail.Stephanie M. Ickert-Bond, Kathleen B. Pigg, and Jun Wen. 2005. "Comparative infructescence morphology in ''Liquidambar'' (Altingiaceae) and its evolutionary significance". ''American Journal of Botany'' 92(8):1234-1255.Stephanie M. Ickert-Bond, Kathleen B. Pigg, and Jun Wen. 2007. "Comparative infructescence morphology in ''Altingia'' (Altingiaceae) and discordance between morphological and molecular phylogenies". ''American Journal of Botany'' 94(7):1094-1115. They naturally occur in Central America, Mexico, eastern North America, the eastern Mediterranean, China, and tropical Asia.Stephanie M. Icke ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
