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Deamia Funis
''Deamia'' is a genus of Cactus, cacti. Its species are native from south Mexico through Central America to Nicaragua. Its species have been placed in ''Selenicereus'' and ''Strophocactus''. Description Species of ''Deamia'' are climbing or pendent shrubs. Their flowers have hairs and spines and are followed by red fruit with clear pulp. Taxonomy The genus was erected by Nathaniel Lord Britton and Joseph Nelson Rose in 1920, with the single species ''Deamia testudo''. The name honours Charles C. Deam, a plant collector who sent the plant to Britton and Rose. It was treated as a distinct monotypic genus until 1965, when Franz Buxbaum merged it into ''Selenicereus''. Alexander Borissovitch Doweld, Alexander Doweld revived the genus in 2002, adding the species then treated as ''Selenicereus chontalensis''. Molecular phylogenetics, Molecular phylogenetic studies in 2017 (based on the two species then known) and in 2018 (three species) confirmed the monophyly of the genus. It was plac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deamia Testudo
''Deamia testudo'' is a species of flowering plant in the family Cactaceae, native from southern Mexico through Central America to Nicaragua. It was first described in 1838. It is a climber or clamberer, with long stems and large white flowers. Description ''Deamia testudo'' clambers over or hangs from rocks, or climbs or hangs from trees. It produces roots along its stems by which it clings tightly to its support. The stems are made up of segments up to long and in diameter. The stems usually have three ribs, although there may be up to eight. The ribs are thin and wing-like, about high. The areoles have up to 10 or more brownish spines, each long. The flowers have a long thin base and widely spread white tepals. Altogether the flower is about long and across. The fruits of the cactus, which are red in color, are covered in spines. Taxonomy The species was first described by Joseph Gerhard Zuccarini in 1838, as ''Cereus testudo''. Zuccarini ascribed the scientific name t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Molecular Phylogenetics
Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to determine the processes by which diversity among species has been achieved. The result of a molecular phylogenetics, phylogenetic analysis is expressed in a phylogenetic tree. Molecular phylogenetics is one aspect of molecular systematics, a broader term that also includes the use of molecular data in Taxonomy (biology), taxonomy and biogeography. Molecular phylogenetics and molecular evolution correlate. Molecular evolution is the process of selective changes (mutations) at a molecular level (genes, proteins, etc.) throughout various branches in the tree of life (evolution). Molecular phylogenetics makes inferences of the evolutionary relationships that arise due to molecular evolution and results in the construction of a phylogenetic tre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Plant Names Index
The International Plant Names Index (IPNI) describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. It includes basic bibliographical details associated with the names. Its goals include eliminating the need for repeated reference to primary sources for basic bibliographic information about plant names. The IPNI also maintains a list of standardized Author citation (botany), author abbreviations. These were initially based on Authors of Plant Names, Brummitt & Powell (1992), but new names and abbreviations are continually added. Description IPNI is the product of a collaboration between The Royal Botanic Gardens, Kew (Index Kewensis), The Harvard University Herbaria (Gray Herbarium Index), and the Australian National Herbarium (Australian Plant Name Index, APNI). The IPNI database is a collection of the names registered by the three cooperating ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Of The World Online
Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew. History Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online in March 2017 with the goal of creating an exhaustive online database of all seed-bearing plants worldwide. (Govaerts wrongly speaks of "Convention for Botanical Diversity (CBD)). The initial focus was on tropical African flora, particularly flora ''Zambesiaca'', flora of West and East Tropical Africa. Since March 2024, the website has displayed AI-generated predictions of the extinction risk for each plant. Description The database uses the same taxonomical source as the International Plant Names Index, which is the World Checklist of Vascular Plants (WCVP). The database contains information on the world's flora gathered from 250 years of botanical research. It aims to make available data from projects that no longer have an online ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strophocactus Testudo13UE Adj
''Strophocactus'' is a genus of cacti in the subfamily Cactoideae. Its status and circumscription remain somewhat uncertain, with the genus containing one to three species (not always the same ones). Molecular phylogenetic data suggest that it consists of three species, including two formerly comprising the genus ''Pseudoacanthocereus''. With this circumscription, the species have different growth habits, but share similarities in their flowers, which are white and open at night. Description As circumscribed by Korotkova et al. in 2017, the three species of ''Strophocactus'' have tubular to funnel-shaped flowers with tubercules arranged in ribs and areoles with bristles. The flowers are white and open at night. They are followed by yellow to brown fruits. Two species (''S. brasiliensis'' and ''S. sicariguensis'') are scrambling or decumbent shrubs, with thin stems (up to 4.5 cm across) and tuberous roots. ''S. sicariguensis'' sometimes has flattened stem segmen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deamia Montalvoae
''Deamia montalvoae'' is a species of flowering plant in the family Cactaceae, native to southeastern Mexico, Guatemala and El Salvador. It was first described in 2018. It climbs or hangs from trees or rocks, and has large funnel-shaped flowers, mostly white, and pale red fruit, covered with bristles and hairs. Description ''Deamia montalvoae'' either climbs or is partially supported by rocks or trees, with roots along its length which do not strongly cling to its supports. It branches freely and has numerous stems, up to long and across. The stems typically have 7–8 ribs, each high. The areoles have 7–13 spines, long, which are initially yellowish with a reddish apex and later darken. In addition to spines, the areoles have many bristles. The solitary flowers are funnel-shaped, long in total. The tepals are up to long, the outer ones being yellowish-brown, the inner ones white. The style is about long with its stigma ending either at the same place as the anthers of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deamia Chontalensis
''Deamia chontalensis'' is a species of flowering plant in the family Cactaceae, native to southwestern Mexico and Guatemala. It has sprawling or pendent branched stems and fragrant white flowers. Description ''Deamia chontalensis'' is either pendent or sprawling, typically growing up to or more long on rocky surfaces and rooting on the underside. The stems are made up of segments long and across. They branch at the nodes between the segments. The stems have 5–6 ribs with slightly sunken areoles bearing yellowish spines long. The very fragrant white flowers are funnel-shaped, long. They are followed by globe-shaped spiny red fruit with a diameter of . Taxonomy The species was first described by Edward Johnston Alexander in 1836, as ''Nyctocereus chontalensis''. It was later placed in the genera ''Selenicereus'' and '' Strophocactus'', but molecular phylogenetic studies in 2017 and 2018 showed that it belonged to a separate clade, and it was transferred to the revived genu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deamia Funis
''Deamia'' is a genus of Cactus, cacti. Its species are native from south Mexico through Central America to Nicaragua. Its species have been placed in ''Selenicereus'' and ''Strophocactus''. Description Species of ''Deamia'' are climbing or pendent shrubs. Their flowers have hairs and spines and are followed by red fruit with clear pulp. Taxonomy The genus was erected by Nathaniel Lord Britton and Joseph Nelson Rose in 1920, with the single species ''Deamia testudo''. The name honours Charles C. Deam, a plant collector who sent the plant to Britton and Rose. It was treated as a distinct monotypic genus until 1965, when Franz Buxbaum merged it into ''Selenicereus''. Alexander Borissovitch Doweld, Alexander Doweld revived the genus in 2002, adding the species then treated as ''Selenicereus chontalensis''. Molecular phylogenetics, Molecular phylogenetic studies in 2017 (based on the two species then known) and in 2018 (three species) confirmed the monophyly of the genus. It was plac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hylocereeae
The Hylocereeae are a tribe of cacti. Most are found in the tropical forests of Central and northern South America, and are climbers or epiphytes, unlike most cacti. The tribe includes between six and eight genera in different circumscriptions. The plants known as "epiphyllum hybrids" or "epiphyllums", widely grown for their flowers, are hybrids of species within this tribe, particularly '' Disocactus'', ''Pseudorhipsalis'' and '' Selenicereus'', less often '' Epiphyllum'', in spite of the common name. Description The members of the tribe are very variable in their morphology, especially when the terrestrial ''Acanthocereus'' is included. Many species form aerial roots. The hylocereoid clade (''Selenicereus'', ''Weberocereus'' and probably ''Aporocactus'') are mostly climbing or epiphytic, and have spiny ribbed stems. The phyllocactoid clade (''Epiphyllum'', ''Disocactus'', ''Kimnachia'' and ''Pseudorhipsalis'') are mainly epiphytic, and have spineless flattened leaf-like ste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cladogram
A cladogram (from Greek language, Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an Phylogenetic tree, evolutionary tree because it does not show how ancestors are related to descendants, nor does it show how much they have changed, so many differing evolutionary trees can be consistent with the same cladogram. A cladogram uses lines that branch off in different directions ending at a clade, a group of organisms with a last common ancestor. There are many shapes of cladograms but they all have lines that branch off from other lines. The lines can be traced back to where they branch off. These branching off points represent a hypothetical ancestor (not an actual entity) which can be inferred to exhibit the traits shared among the terminal taxa above it. This hypothetical ancestor might then provide clues about the order of evolution of various features, adaptation, and other e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monophyly
In biological cladistics for the classification of organisms, monophyly is the condition of a taxonomic grouping being a clade – that is, a grouping of organisms which meets these criteria: # the grouping contains its own most recent common ancestor (or more precisely an ancestral population), i.e. excludes non-descendants of that common ancestor # the grouping contains all the descendants of that common ancestor, without exception Monophyly is contrasted with paraphyly and polyphyly as shown in the second diagram. A ''paraphyletic'' grouping meets 1. but not 2., thus consisting of the descendants of a common ancestor, excepting one or more monophyletic subgroups. A ''polyphyletic'' grouping meets neither criterion, and instead serves to characterize convergent relationships of biological features rather than genetic relationships – for example, night-active primates, fruit trees, or aquatic insects. As such, these characteristic features of a polyphyletic grouping are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexander Borissovitch Doweld
Alexander () is a male name of Greek origin. The most prominent bearer of the name is Alexander the Great, the king of the Ancient Greek kingdom of Macedonia who created one of the largest empires in ancient history. Variants listed here are Aleksandar, Aleksander, Oleksandr, Oleksander, Aleksandr, and Alekzandr. Related names and diminutives include Iskandar, Alec, Alek, Alex, Alexsander, Alexandre, Aleks, Aleksa, Aleksandre, Alejandro, Alessandro, Alasdair, Sasha, Sandy, Sandro, Sikandar, Skander, Sander and Xander; feminine forms include Alexandra, Alexandria, and Sasha. Etymology The name ''Alexander'' originates from the (; 'defending men' or 'protector of men'). It is a compound of the verb (; 'to ward off, avert, defend') and the noun (, genitive: , ; meaning 'man'). The earliest attested form of the name, is the Mycenaean Greek feminine anthroponym , , (/Alexandra/), written in the Linear B syllabic script. Alaksandu, alternatively called ''Alakasand ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
