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Marabou (weed)
''Dichrostachys cinerea'', known as sicklebush, Bell mimosa, Chinese lantern tree or Kalahari Christmas tree (South Africa), is a legume of the genus ''Dichrostachys'' in the family Fabaceae. Other common names include omubambanjobe (Tooro Uganda), acacia Saint Domingue (French), el marabú (Cuba), " Mpangara" (Shona), Kalahari-Weihnachtsbaum (German of former South West Africa), kéké or mimosa clochette (Réunion). Etymology The generic name ''Dichrostachys'' means 'two-colored spike', referring to its two-colored inflorescence, from the Ancient Greek ''δί-'' (''di-'', 'twice'), ''χροός'' (''khroos'', 'color'), and ''στάχυς'' (''stakhus'', 'ear of grain'). The specific name ''cinerea'' refers to the greyish hairs of the typical subspecies, from the Latin ''cinereus'' ('ashes'). Distribution It is native to Africa, the Indian subcontinent and North Australia and had been introduced to the Caribbean and parts of Southeast Asia. In Ethiopia, the species is common i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Wight
A wight is a being or thing. This general meaning is shared by cognate terms in Germanic languages, however the usage of the term varies greatly over time and between regions. In Old English, it could refer to anything in existence, with more specific usages arising in Middle English, perhaps due to the term of similar meaning in Anglo-Norman, . The term is widely used in modern fantasy, often to mean specifically a being which is undead. Etymology Modern English "wight" is descended from or , from , from Proto-West Germanic '*wihti' from from Proto-Indo-European: '*wekti' ("cause, sake, thing"), from Proto-Indo-European "*wekʷ-" ("to say, tell"). "Wight" is further cognate with , , , and , the ancestor of , and . A dialect form in Swedish is , which, similar to the other form, is descended from Old Swedish: ''vætter''. Medieval period Old English In Old English, has been variously translated as "wight", "creature" and "being". The term is found in the compound wor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area around Rome, Italy. Through the expansion of the Roman Republic, it became the dominant language in the Italian Peninsula and subsequently throughout the Roman Empire. It has greatly influenced many languages, Latin influence in English, including English, having contributed List of Latin words with English derivatives, many words to the English lexicon, particularly after the Christianity in Anglo-Saxon England, Christianization of the Anglo-Saxons and the Norman Conquest. Latin Root (linguistics), roots appear frequently in the technical vocabulary used by fields such as theology, List of Latin and Greek words commonly used in systematic names, the sciences, List of medical roots, suffixes and prefixes, medicine, and List of Latin legal terms ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Dichrostachys Cinerea Fallen Legumes2
''Dichrostachys'' is an Old World genus of flowering plants in the family Fabaceae. Their ''Acacia''-like leaves are bi-pinnately compound. Unlike ''Acacia'' their thorns are hardened branchlets rather than modified stipules. They are native from Africa to Australasia, but a centre of diversity is present in Madagascar. Their name is derived from the Greek words ''dis'' (two), ''chroos'' (colour) and ''stachys'' (grain ear or spike), which in combination suggests their bi-colored inflorescences. Species 16 species are accepted: * '' Dichrostachys akataensis'' Villiers * '' Dichrostachys arborescens'' (Benth.) Villiers * '' Dichrostachys bernieriana'' Baill. * ''Dichrostachys cinerea'' ( L.) Wight & Arn. * '' Dichrostachys dehiscens'' Balf. f. * '' Dichrostachys dumetaria'' Villiers * '' Dichrostachys kirkii'' Benth. * '' Dichrostachys myriophylla'' * '' Dichrostachys paucifoliolata'' ( Scott-Elliot) Drake * '' Dichrostachys pervilleana'' (Baill.) Drake * '' Dichrostachys ric ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Deciduous
In the fields of horticulture and botany, the term deciduous () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed Leaf, leaves, usually in the autumn; to the shedding of petals, after flowering; and to the shedding of ripe fruit. The antonym of deciduous in the botanical sense is evergreen. Generally, the term "deciduous" means "the dropping of a part that is no longer needed or useful" and the "falling away after its purpose is finished". In plants, it is the result of natural processes. "Deciduous" has a similar meaning when referring to animal parts, such as deciduous antlers in deer, deciduous teeth (baby teeth) in some mammals (including humans); or decidua, the uterine lining that sheds off after birth. Botany In botany and horticulture, deciduous plants, including trees, shrubs and herbaceous perennials, are those that lose all of their Leaf, leaves for part of the year. This process is called abscission. I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Spike (botany)
A raceme () or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the shoot grows in height, with no predetermined growth limit. Examples of racemes occur on mustard (genus '' Brassica''), radish (genus '' Raphanus''), and orchid (genus '' Phalaenopsis'') plants. Definition A ''raceme'' or ''racemoid'' is an unbranched, indeterminate type of inflorescence bearing pedicellate flowers (flowers having short floral stalks called ''pedicels'') along its axis. In botany, an ''axis'' means a shoot, in this case one bearing the flowers. In indeterminate inflorescence-like racemes, the oldest flowers grow close to the base and new flowers are produced as the shoot grows in height, with no predetermined growth limit. A plant that flowers on a showy raceme may have this reflected in its scientific name, e.g. the species ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Bipinnate
The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). The edge of the leaf may be regular or irregular, and may be smooth or have hair, bristles, or spines. For more terms describing other aspects of leaves besides their overall morphology see the leaf article. The terms listed here all are supported by technical and professional usage, but they cannot be represented as mandatory or undebatable; readers must use their judgement. Authors often use terms arbitrarily, or coin them to taste, possibly in ignorance of established terms, and it is not always clear whether because of ignorance, or personal preference, or because usages change with time or context, or because of variation between specimens, even specimens from the same plant. For example, whether to call leaves on the same tree "ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Thorns, Spines, And Prickles
In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called ''spinose teeth'' or ''spinose apical processes''), are hard, rigid extensions or modifications of leaf, leaves, roots, plant stem, stems, or plant bud, buds with sharp, stiff ends, and generally serve the same function: physically plant defense against herbivory, defending plants against herbivory. Description In common language, the terms are used more or less interchangeably, but in botanical terms, thorns are derived from Shoot (botany), shoots (so that they may or may not be branched, they may or may not have leaves, and they may or may not arise from a bud),Simpson, M. G. 2010. "Plant Morphology". In: ''Plant Systematics, 2nd. edition''. Elsevier Academic Press. Chapter 9.Judd, Campbell, Kellogg, Stevens, Donoghue. 2007. "Structural and Biochemical Characters". In: ''Plant Systematics, a phylogenetic approach, third edition''. Chapter 4. spines are derived from Leaf, leaves ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Dichrostachys Cinerea Bild0885
''Dichrostachys'' is an Old World genus of flowering plants in the family Fabaceae. Their ''Acacia''-like leaves are bi-pinnately compound. Unlike ''Acacia'' their thorns are hardened branchlets rather than modified stipules. They are native from Africa to Australasia, but a centre of diversity is present in Madagascar. Their name is derived from the Greek words ''dis'' (two), ''chroos'' (colour) and ''stachys'' (grain ear or spike), which in combination suggests their bi-colored inflorescences. Species 16 species are accepted: * '' Dichrostachys akataensis'' Villiers * '' Dichrostachys arborescens'' (Benth.) Villiers * '' Dichrostachys bernieriana'' Baill. * ''Dichrostachys cinerea'' ( L.) Wight & Arn. * '' Dichrostachys dehiscens'' Balf. f. * '' Dichrostachys dumetaria'' Villiers * '' Dichrostachys kirkii'' Benth. * '' Dichrostachys myriophylla'' * '' Dichrostachys paucifoliolata'' ( Scott-Elliot) Drake * '' Dichrostachys pervilleana'' (Baill.) Drake * '' Dichrostachys ric ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Renewable Energy
Renewable energy (also called green energy) is energy made from renewable resource, renewable natural resources that are replenished on a human lifetime, human timescale. The most widely used renewable energy types are solar energy, wind power, and hydropower. Bioenergy and geothermal power are also significant in some countries. Some also consider Nuclear power proposed as renewable energy, nuclear power a renewable power source, although this is controversial, as nuclear energy requires mining uranium, a nonrenewable resource. Renewable energy installations can be large or small and are suited for both urban and rural areas. Renewable energy is often deployed together with further electrification. This has several benefits: electricity can heat pump, move heat and Electric vehicle, vehicles efficiently and is clean at the point of consumption. Variable renewable energy sources are those that have a fluctuating nature, such as wind power and solar power. In contrast, ''contro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Biomass
Biomass is a term used in several contexts: in the context of ecology it means living organisms, and in the context of bioenergy it means matter from recently living (but now dead) organisms. In the latter context, there are variations in how biomass is defined, e.g., only from plants, from plants and algae, from plants and animals. The vast majority of biomass used for bioenergy does come from plants and fecal matter. Bioenergy is a type of renewable energy that the bioenergy industry claims has the potential to assist with climate change mitigation. Uses in different contexts Ecology * Biomass (ecology), the mass of living biological organisms in a given area or ecosystem at a given time. This can be the biomass of particular species or the biomass of a particular community or habitat. Energy * Biomass (energy), biomass used for energy production or in other words: biological mass used as a renewable energy source (usually produced through agriculture, forestry or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Woody Plant Encroachment
Woody plant encroachment (also called woody encroachment, bush encroachment, shrub encroachment, shrubification, woody plant proliferation, or bush thickening) is a natural phenomenon characterised by the area expansion and density increase of woody plants, bushes and shrubs, at the expense of the herbaceous layer, grasses and forbs. It refers to the expansion of native plants and not the spread of alien invasive species. Woody encroachment is observed across different ecosystems and with different characteristics and intensities globally. It predominantly occurs in grasslands, savannas and woodlands and can cause regime shifts from open grasslands and savannas to closed woodlands. Causes include land-use intensification, such as overgrazing, as well as the suppression of wildfires and the reduction in numbers of wild herbivores. Elevated atmospheric CO2 and global warming are found to be accelerating factors. To the contrary, land abandonment can equally lead to woody encroac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
