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Festuca Arundinacea
''Lolium arundinaceum'', commonly known as tall fescue, is a cool-season, perennial C3 grass species native to Europe and introduced to North America and other parts of the world. It naturally occurs in grasslands and coastal marshes.Texas Parks and Wildlife Department (n.d.). Tall Fescue (''Lolium arundinaceum''). Texas Invasive Plant Database/ref> Tall fescue is grown in a range of Cultivar, cultivars, widely used for livestock forage, in lawns and recreational areas as turf, and occasionally for managing soil erosion. Most publications have used the names ''Festuca arundinacea'' or, more recently, ''Schedonorus arundinaceus'' for this species, but DNA studies appear to have settled a long debate that it should be included within the genus ''Lolium'' instead. Description Tall fescue is a long-lived tuft-forming perennial with erect to spreading hollow flowering stems up to about tall (exceptionally up to 200 cm) which are hairless (glabrous), including the leaf sheath ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johann Christian Daniel Von Schreber
Johann Christian Daniel von Schreber (17 January 1739 – 10 December 1810), often styled J.C.D. von Schreber, was a German Natural history, naturalist. Career Schreber was appointed professor of'' materia medica'' at the University of Erlangen-Nuremberg, University of Erlangen in 1769. In 1774, he began writing a multivolume set of books entitled ''Die Säugethiere in Abbildungen nach der Natur mit Beschreibungen'', which focused on the mammals of the world. Many of the animals included were given a scientific name for the first time, following the binomial system of Carl Linnaeus. From 1791 until his death in 1810, he was the president of the German Academy of Sciences Leopoldina. He was elected a member of the Royal Swedish Academy of Sciences in 1787. In April 1795, he was elected a Fellow of the Royal Society Numerous honors were bestowed on him, including the office of an Count Palatine (Imperial), imperial count palatine. Schreber also wrote on entomology, notably ''Schre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vernation
Vernation or leafing is the formation of new leaves or fronds. In plant anatomy, it is the arrangement of leaves in a bud. In pine species, new leaves are short and encased in sheaths. Each leaf bundle consists of two to five needles. All the leaves on one section of branch grow in length together. In cabbage species, new leaves are folded over, each covered by the previous leaf. Name The term ''vernation'' is borrowed from New Latin , the act of being verdant or flourishing (). It is cognate with (Latin for " spring") and ("vernal"). Circinate vernation Circinate vernation is the manner in which most fern fronds emerge. As the fern frond is formed, it is tightly curled so that the tender growing tip of the frond (and each subdivision of the frond) is protected within a coil. At this stage it is called a crozier (after the shepherd's crook) or fiddlehead (after the scrollwork at the top of a violin). As the lower parts of the frond expand and toughen up, they begin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salt Marshes
A salt marsh, saltmarsh or salting, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open Seawater, saltwater or brackish water that is regularly flooded by the tides. It is dominated by dense stands of halophyte, salt-tolerant plants such as herbs, Poaceae, grasses, or low shrubs. These plants are terrestrial in origin and are essential to the stability of the salt marsh in trapping and binding sediments. Salt marshes play a large role in the aquatic food web and the delivery of nutrients to coastal waters. They also support terrestrial animals and provide coastal management, coastal protection. Salt marshes have historically been endangered by poorly implemented coastal management practices, with land reclaimed for human uses or polluted by upstream agriculture or other industrial coastal uses. Additionally, sea level rise caused by climate change is endangering other marshes, through Coastal ero ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eleocharis Uniglumis
''Eleocharis uniglumis'' is a species of plant belonging to the family Cyperaceae. Its native range is Europe to Russian Far East The Russian Far East ( rus, Дальний Восток России, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in North Asia. It is the easternmost part of Russia and the Asia, Asian continent, and is coextensive with the Far Easte ... and Nepal, Subarctic America to Northern USA. References {{Taxonbar, from=Q161304 uniglumis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oenanthe Lachenalii
''Oenanthe lachenalii'', parsley water-dropwort, is a flowering plant in the Apiaceae, carrot family, which is native to Europe and parts of North Africa. It is a declining plant of coastal wetlands. Description Parsley water-dropwort is a hairless perennial growing up to 100 cm tall with solid (sometimes becoming hollow with age), striated, cylindrical stems 0.4 cm in diameter. The roots are somewhat swollen, cylindrical in shape, but lacking the distinct tubers that occur in some other members of the genus. The upper leaves are once to twice pinnate with simple linear leaflets up to 5 cm long; the lower ones are twice pinnate, with wider, flat leaflets, more like those of other Apiaceae, umbellifers. The petiole (botany), leaf stalks are shorter than the leaf blade, sheathing the stem at the base, and with a celery scent. It flowers between June and September in northern Europe, with umbels of 5-9 smaller umbels about 1-2 cm in diameter, each of which has n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British National Vegetation Classification
__NOTOC__ The British National Vegetation Classification or NVC is a system of classifying natural habitat types in Great Britain according to the vegetation they contain. A large scientific meeting of ecologists, botanists, and other related professionals in the United Kingdom resulted in the publication of a compendium of five books: '' British Plant Communities'', edited by John S. Rodwell, which detail the incidence of plant species in twelve major habitat types in the British natural environment. They are the first systematic and comprehensive account of the vegetation types of the country. They cover all natural, semi-natural and major artificial habitats in Great Britain (not Northern Ireland) and represent fifteen years of research by leading plant ecologists. From the data collated from the books, commercial software products have been developed to help to classify vegetation identified into one of the many habitat types found in Great Britain – these include ''MAT ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plant Community
A plant community is a collection or Association (ecology), association of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The components of each plant community are influenced by soil type, topography, climate and human disturbance. In many cases there are several soil types present within a given plant community. This is because the soil type within an area is influenced by two factors, the rate at which water infiltrates or exits (via evapotranspiration) the soil, as well as the rate at which organic matter (any carbon-based compound within the environment, such as decaying plant matter) enters or decays from the soil. Plant communities are studied substantially by ecologists, due to providing information on the effects of dispersal, tolerance to environmental conditions, and response to disturbance of a variety of plant species, information valuable to the comprehe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Coastal Prairie
California coastal prairie, also known as northern coastal grassland, is a grassland plant community of California and Oregon in the temperate grasslands, savannas, and shrublands biome. This ecosystem is found along the Pacific Coast, from as far south as Los Angeles in Southern California to southern Oregon. It typically stretches as far inland as 100 km, and occurs at altitudes of 350 m or lower. Description California's coastal prairies are the most species-rich grassland types in North America, with up to 26 species present per square meter. They have been described in literature as "previously unrecognized biodiversity hotspots," and are also known to provide an array of essential services—for instance, carbon storage, water filtration, agriculture, and livestock farming. In spite of the numerous benefits associated with maintaining this ecosystem, it is considered to be one of the most threatened ecosystems in the state of California, with less than one percent of u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lolium Perenne
''Lolium perenne'', common name perennial ryegrass, English ryegrass, winter ryegrass, or ray grass, is a grass from the family Poaceae. It is native to Europe, Asia and northern Africa, but is widely cultivated and naturalised around the world. Description The plant is a low-growing, tufted, hairless grass, with a bunching (or tillering) growth habit. The leaves are dark green, smooth and glossy on the lower surface, with untoothed parallel sides and prominent parallel veins on the upper surface. The leaves are folded lengthwise in bud (unlike the rolled leaves of Italian ryegrass, ''Lolium multiflorum'') with a strong central keel, giving a flattened appearance. The ligule is very short and truncated and often difficult to see. The small white auricles grip the stem at the base of the leaf blade. Leaf sheaths at the base are usually tinged pink and hairless. Stems grow up to 90 cm. The inflorescence is unbranched, with spikelets on alternating sides edgeways-on to the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lolium
''Lolium'' is a genus of tufted grasses in the bluegrass subfamily (Pooideae). It is often called ryegrass, but this term is sometimes used to refer to grasses in other genera. They are characterized by bunch-like growth habits. ''Lolium'' is native to Europe, Asia and northern Africa, as well as being cultivated and naturalized in Australia, the Americas, and various oceanic islands. Ryegrasses are naturally diploid, with 2n=14, and are closely related to the fescues (''Festuca''). Ryegrass should not be confused with rye, which is a grain crop. Species the species of ''Lolium'' listed by Plants of the World Online include: ; Formerly included Several former ''Lolium'' species now regarded as part of other genera: '' Castellia'', '' Enteropogon'', '' × Festulolium'', '' Hainardia'', '' Lepturus'', '' Melica'', and '' Vulpia''. File:Perennial Ryegrass.jpg, Perennial ryegrass, used as winter lawn. File:Illustration Leymus arenarius and Lolium temulentum0.jpg, Poison ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Festuca
''Festuca'' (fescue) is a genus of flowering plants belonging to the grass family Poaceae (subfamily Pooideae). They are evergreen or herbaceous perennial tufted grasses with a height range of and a cosmopolitan distribution, occurring on every continent except Antarctica. The genus is closely related to ryegrass (''Lolium''), and recent evidence from phylogenetic studies using DNA sequencing of plant mitochondrial DNA shows that the genus lacks monophyly. As a result, plant taxonomists have moved several species, including the forage grasses tall fescue and meadow fescue, from the genus ''Festuca'' into the genus ''Lolium'', or alternatively into the segregate genus '' Schedonorus''. Because the taxonomy is complex, scientists have not determined how many true species belong to the genus, but estimates range from more than 400 to over 640. Fescue pollen is a significant contributor to hay fever. Taxonomy The genus ''Festuca'' represents a major evolutionary line of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caryopsis
In botany, a caryopsis () is a type of simple fruit—one that is monocarpellate (formed from a single carpel) and indehiscent (not opening at maturity) and resembles an achene, except that in a caryopsis the pericarp is fused with the thin seed coat. The caryopsis is popularly called a grain and is the fruit typical of the family Poaceae (or Gramineae), which includes wheat, rice, and maize. The term ''grain'' is also used in a more general sense as synonymous with cereal (as in "cereal grains", which include some non-Poaceae). Considering that the fruit wall and the seed are intimately fused into a single unit, and the caryopsis or grain is a dry fruit, little concern is given to technically separating the terms ''fruit'' and ''seed'' in these plant structures. In many grains, the " hulls" to be separated before processing are flower bracts. Etymology The name ''caryopsis'' is derived from the Greek words and ( and ), meaning 'nut' and 'having the appearance of', respec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
