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Poranthera
''Poranthera'' is a genus of flowering plant belonging to the family Phyllanthaceae first described as a genus in 1811.Rudge, Edward. 1811. Transactions of the Linnean Society of London 10: 302-303 in Latin It is one of eight genera in the .Maria S. Vorontsova and Petra Hoffmann. 2008. "A phylogenetic classification of tribe Poranthereae (Phyllanthaceae)." ''Kew Bulletin'' 63(1):41-59. Its [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poranthereae
Poranthereae is a tribe in the plant family Phyllanthaceae. It is one of ten tribes in the family, and one of four tribes in the subfamily Phyllanthoideae. Poranthereae comprises about 111 species, distributed into eight genera. The largest genera and the number of species in each are ''Actephila'' (31), ''Meineckia'' (30), and ''Andrachne'' (22). The tribe consists of herbs, shrubs, and small to medium trees. They have a cosmopolitan distribution, occurring on all continents, except Antarctica. The circumscription and classification of Poranthereae were substantially revised following phylogenetic analysis of DNA sequences from members of the family Phyllanthaceae. Within Poranthereae, groups of related genera are strongly correlated with habitat and geographical distribution. For example, ''Notoleptopus'', ''Pseudophyllanthus'', and ''Poranthera'' are restricted to the Old World Southern Hemisphere. Description Monoecious, sometimes dioecious herbs, shrubs, or trees to 6m ta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poranthera Ericifolia
''Poranthera ericifolia'' is a small shrub growing from 15 to 30 cm high. Usually found in heath country or dry eucalyptus areas on sandstone in the state of New South Wales. The specific epithet ''ericifolia'' refers to the resemblance of the foliage to those in the Erica Erica or ERICA may refer to: * Erica (given name) * ''Erica'' (plant), a flowering plant genus * Erica (chatbot), a service of Bank of America * ''Erica'' (video game), a 2019 FMV video game * ''Erica'' (spider), a jumping spider genus * Eric ... group. References Flora of New South Wales Phyllanthaceae {{Phyllanthaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phyllanthaceae
Phyllanthaceae is a family of flowering plants in the eudicot order Malpighiales. It is most closely related to the family Picrodendraceae.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. (see ''External links'' below) The Phyllanthaceae are most numerous in the tropics, with many in the south temperate zone, and a few ranging as far north as the middle of the north temperate zone.Petra Hoffman. 2007. "Phyllanthaceae" pages 250-252. In: Vernon H. Heywood, Richard K. Brummitt, Ole Seberg, and Alastair Culham. ''Flowering Plant Families of the World.'' Firefly Books: Ontario, Canada. . Some species of '' Andrachne'', ''Antidesma'', ''Margaritaria'', and ''Phyllanthus'' are in cultivation.Anthony J. Huxley, Mark Griffiths, and Margot Levy (editors). 1992. ''The New Royal Horticultural Society Dictionary of Gardening.'' T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sorghastrum
''Sorghastrum'' is a genus of grasses, native to Africa and the Americas. Members of the genus are commonly known as Indiangrass. ; Selected * ''Sorghastrum balansae'' (Hack.) Dávila - Paraguay * ''Sorghastrum brunneum'' Swallen - Mexico, Guatemala, Honduras * ''Sorghastrum chaseae'' Swallen - Mato Grosso, Paraíba * ''Sorghastrum contractum'' (Hack.) M.Kuhlm. & Kuhn - Brazil * ''Sorghastrum crassum'' Renvoize - Bolivia * ''Sorghastrum elliottii'' (C.Mohr) Nash – Slender Indiangrass - southeastern + south-central USA (Texas to Virginia) * ''Sorghastrum fuscescens'' (Pilg.) Clayton - Tanzania, Zambia, Malawi * ''Sorghastrum incompletum'' (J.Presl) Nash - Latin America from Mexico to Bolivia; Africa from Senegal to Zimbabwe * ''Sorghastrum minarum'' (Nees) Hitchc. - Bolivia, Brazil, Paraguay, Argentina * ''Sorghastrum nudipes'' Nash - Chihuahua, Durango, Sonora, Limpopo, Botswana, Namibia, Zimbabwe, Zambia, Mozambique, Malawi, Angola * ''Sorghastrum nutans'' (L.) Nash &ndash ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudophyllanthus
''Pseudophyllanthus'' is a monotypic genus of flowering plants in the family Phyllanthaceae. It is one of the eight genera in the tribe Poranthereae. Its closest relative is ''Poranthera''. Its sole species is ''Pseudophyllanthus ovalis''. It is a dioecious, or rarely monoecious, shrub or small tree, native to southern Africa. It had been included in the genus ''Andrachne'', but in 2007 a molecular phylogenetic study of DNA sequence DNA sequencing is the process of determining the nucleic acid sequence – the order of nucleotides in DNA. It includes any method or technology that is used to determine the order of the four bases: adenine, guanine, cytosine, and thymine. T ...s showed that it did not belong there.Maria S. Vorontsova, Petra Hoffmann, Olivier Maurin, and Mark W. Chase. 2007. "Phylogenetics of tribe Poranthereae (Phyllanthaceae)." ''American Journal of Botany'' 94(12):2026-2040. In 2008, the new genus ''Pseudophyllanthus'' was created for it.Maria S. Vorontsova ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edward Rudge
Edward Rudge (27 June 1763 – 1846) was an English botanist and antiquary. Life He was the son of Edward Rudge, a merchant and alderman of Salisbury, who possessed a large portion of the abbey estate at Evesham. He matriculated from Queen's College, Oxford, on 11 October 1781, but took no degree. His attention was early turned to botany, through the influence of his uncle, Samuel Rudge (died 1817), a retired barrister, who formed an herbarium, which passed to his nephew. His uncle's encouragement and the purchase of a fine series of plants from The Guianas, collected by Joseph Martin, led Rudge to study the flora of that country, and to publish between 1805 and 1807 ''Plantarum Guianæ rariorum icones et descriptiones hactenus ineditæ,'' fol. London. Between 1811 and 1834 he conducted a series of excavations in those portions of the Evesham Abbey estate under his control, and communicated the results to the Society of Antiquaries of London, who figured the ruins and relics ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Annual Plant
An annual plant is a plant that completes its life cycle, from germination to the production of seeds, within one growing season, and then dies. The length of growing seasons and period in which they take place vary according to geographical location, and may not correspond to the four traditional seasonal divisions of the year. With respect to the traditional seasons, annual plants are generally categorized into summer annuals and winter annuals. Summer annuals germinate during spring or early summer and mature by autumn of the same year. Winter annuals germinate during the autumn and mature during the spring or summer of the following calendar year. One seed-to-seed life cycle for an annual plant can occur in as little as a month in some species, though most last several months. Oilseed rapa can go from seed-to-seed in about five weeks under a bank of fluorescent lamps. This style of growing is often used in classrooms for education. Many desert annuals are therophytes, be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perennial Plant
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also widely used to distinguish plants with little or no woody growth (secondary growth in girth) from trees and shrubs, which are also technically perennials. Perennialsespecially small flowering plantsthat grow and bloom over the spring and summer, die back every autumn and winter, and then return in the spring from their rootstock or other overwintering structure, are known as herbaceous perennials. However, depending on the rigours of local climate (temperature, moisture, organic content in the soil, microorganisms), a plant that is a perennial in its native habitat, or in a milder garden, may be treated by a gardener as an annual and planted out every year, from seed, from cuttings, or from divisions. Tomato vines, for example, live several y ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Herbaceous Plant
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of the ''Shorter Oxford English Dictionary'' defines "herb" as: #"A plant whose stem does not become woody and persistent (as in a tree or shrub) but remains soft and succulent, and dies (completely or down to the root) after flowering"; #"A (freq. aromatic) plant used for flavouring or scent, in medicine, etc.". (See: Herb) The same dictionary defines "herbaceous" as: #"Of the nature of a herb; esp. not forming a woody stem but dying down to the root each year"; #"BOTANY Resembling a leaf in colour or texture. Opp. scarious". Botanical sources differ from each other on the definition of "herb". For instance, the Hunt Institute for Botanical Documentation includes the condition "when persisting over more than one growing season, the parts o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anther
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament and an anther which contains ''microsporangia''. Most commonly anthers are two-lobed and are attached to the filament either at the base or in the middle area of the anther. The sterile tissue between the lobes is called the connective, an extension of the filament containing conducting strands. It can be seen as an extension on the dorsal side of the anther. A pollen grain develops from a microspore in the microsporangium and contains the male gametophyte. The stamens in a flower are collectively called the androecium. The androecium can consist of as few as one-half stamen (i.e. a single locule) as in '' Canna'' species or as many as 3,482 stamens which have been counted in the saguaro (''Carnegiea gigantea''). The androecium in var ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dehiscence (botany)
Dehiscence is the splitting of a mature plant structure along a built-in line of weakness to release its contents. This is common among fruits, anthers and sporangia. Sometimes this involves the complete detachment of a part; structures that open in this way are said to be dehiscent. Structures that do not open in this way are called indehiscent, and rely on other mechanisms such as decay or predation to release the contents. A similar process to dehiscence occurs in some flower buds (e.g., ''Platycodon'', ''Fuchsia''), but this is rarely referred to as dehiscence unless wikt:circumscissile, circumscissile dehiscence is involved; anthesis is the usual term for the opening of flowers. Dehiscence may or may not involve the loss of a structure through the process of abscission. The lost structures are said to be wikt:caducous, caducous. Association with crop breeding Manipulation of dehiscence can improve crop yield since a Trait (biological), trait that causes seed dispersal i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plant Sexuality
Plant reproductive morphology is the study of the physical form and structure (the Plant morphology, morphology) of those parts of plants directly or indirectly concerned with sexual reproduction. Among all living organisms, flowers, which are the reproductive structures of flowering plant, angiosperms, are the most varied physically and show a correspondingly great diversity in methods of reproduction. Plants that are not flowering plants (green algae, mosses, Marchantiophyta, liverworts, hornworts, ferns and gymnosperms such as conifers) also have complex interplays between morphological adaptation and environmental factors in their sexual reproduction. The breeding system, or how the sperm from one plant fertilizes the ovum of another, depends on the reproductive morphology, and is the single most important determinant of the genetic structure of nonclonal plant populations. Christian Konrad Sprengel (1793) studied the reproduction of flowering plants and for the first time it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
