|
Acacia Karroo
''Vachellia karroo'', commonly known as the sweet thorn, common acacia, Karoo thorn, Cape gum or cockspur thorn, is a species of ''Vachellia'', native to southern Africa from southern Angola east to Mozambique, and south to South Africa. It is a shrub or small to medium-sized tree which grows to height of 12m. It is difficult to tell apart from ''Vachellia nilotica'' subsp. ''adstringens'' without examining the seed pods. The Botanical Society of South Africa has accepted a name change to ''Vachellia karroo''. Common names in various languages include ''doringboom'', ''soetdoring'', ''cassie'', ''piquants blancs'', ''cassie piquants blancs'', ''deo-babool'', ''doorn boom'', ''kaludai'', ''kikar'', ''mormati'', ''pahari kikar'', ''umga'' and ''udai vel''. Identification It is a shrub or small to medium-sized tree which grows to height of 12m. ''Vachellia karroo'' has a rounded crown, branching fairly low down on the trunk. It is variable in shape and size, reaching a maximu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acacia Karroo (Mimosoideae)
''Vachellia karroo'', commonly known as the sweet thorn, common acacia, Karoo thorn, Cape gum or cockspur thorn, is a species of ''Vachellia'', native to southern Africa from southern Angola east to Mozambique, and south to South Africa. It is a shrub or small to medium-sized tree which grows to height of 12m. It is difficult to tell apart from ''Vachellia nilotica'' subsp. ''adstringens'' without examining the seed pods. The Botanical Society of South Africa has accepted a name change to ''Vachellia karroo''. Common names in various languages include ''doringboom'', ''soetdoring'', ''cassie'', ''piquants blancs'', ''cassie piquants blancs'', ''deo-babool'', ''doorn boom'', ''kaludai'', ''kikar'', ''mormati'', ''pahari kikar'', ''umga'' and ''udai vel''. Identification It is a shrub or small to medium-sized tree which grows to height of 12m. ''Vachellia karroo'' has a rounded crown, branching fairly low down on the trunk. It is variable in shape and size, reaching a maximu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friedrich Gottlob Hayne
Friedrich Gottlob Hayne (18 March 1763, Jüterbog – 24 April 1832, Berlin) was a German botanist, taxonomist, pharmacist and professor. Hayne showed an early interest in the plant world. From 1778 until 1796 he worked as a pharmacist in Berlin, and was acquainted with the botanist Carl Ludwig Willdenow of about the same age, who at the time was also a pharmacist in Berlin. From 1797 he worked on botanical and technical commissions for the factories department of the Prussian government. From 1801 to 1808 he worked in Schönebeck on the Elbe, where he was an assistant in the "Royal Prussian Chemical Factory" (later named 'Hermania'), which was founded in 1793 by pharmacist Carl Hermann Samuel and was the first German chemical factory. During his stay in Schönebeck he studied the chemical composition of plants and collected the flora of the region. After the Treaty of Tilsit in 1807, the Kingdom of Prussia lost about half of its territory, including all territory west of the El ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fodder
Fodder (), also called provender (), is any agriculture, agricultural foodstuff used specifically to feed domesticated livestock, such as cattle, domestic rabbit, rabbits, sheep, horses, chickens and pigs. "Fodder" refers particularly to food given to the animals (including plants cut and carried to them), rather than that which they forage for themselves (called forage). Fodder includes hay, straw, silage, compressed and Compound feed, pelleted feeds, oils and mixed rations, and sprouting, sprouted grains and legumes (such as bean sprouts, fresh malt, or brewing#Brewer's spent grain, spent malt). Most animal feed is from plants, but some manufacturers add ingredients to processed feeds that are of animal origin. The worldwide animal feed trade produced tons of feed (compound feed equivalent) in 2011, fast approaching 1 billion tonnes according to the International Feed Industry Federation, with an annual growth rate of about 2%. The use of agricultural land to grow feed r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plants Used In Traditional African Medicine
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclude the fungi and some algae, as well as the prokaryotes (the archaea and bacteria). By one definition, plants form the clade Viridiplantae (Latin name for "green plants") which is sister of the Glaucophyta, and consists of the green algae and Embryophyta (land plants). The latter includes the flowering plants, conifers and other gymnosperms, ferns and their allies, hornworts, liverworts, and mosses. Most plants are multicellular organisms. Green plants obtain most of their energy from sunlight via photosynthesis by primary chloroplasts that are derived from endosymbiosis with cyanobacteria. Their chloroplasts contain chlorophylls a and b, which gives them their green color. Some plants are parasitic or mycotrophic and have lost the ability ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Southern African Indigenous Trees And Woody Lianes
This is a list of Southern African trees, shrubs, suffrutices, geoxyles and lianes, and is intended to cover Angola, Botswana, Lesotho, Malawi, Mozambique, Namibia, South Africa, Swaziland, Zambia and Zimbabwe. The notion of 'indigenous' is of necessity a blurred concept, and is clearly a function of both time and political boundaries. The global distribution of plants useful to humans, or inadvertently transported by them, is closely linked to a mapping of their journeys and settlements, and the movement of species in prehistoric times must be inferred from archaeological and palaeontological remains, centers of diversity, DNA and other sources. Cyatheaceae * ''Cyathea capensis'' (L.f.) J.E. Sm. (''Hemitelia capensis'' Kaulf.) * ''Cyathea dregei'' Kunze (''Alsophila dregei'' (Kunze) R.M. Tryon) * '' Cyathea manniana'' Hook. * ''Alsophila thomsonii'' (Baker) R.M. Tryon (''Cyathea thomsonii'' Baker) Blechnaceae * '' Lomariocycas tabularis'' (Thunb.) Kuhn Cycadaceae * '' Cycas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vachellia Seyal
''Vachellia seyal'', the red acacia, known also as the shittah tree (the source of shittim wood), is a thorny, 6– to 10-m-high (20 to 30 ft) tree with a pale greenish or reddish bark. At the base of the feathery leaves, two straight, light grey thorns grow to long. The blossoms are displayed in round, bright yellow clusters about diameter. In ''Vachellia seyal'' var. ''fistula'', which is more common on heavy clay soils, some of the thorns are swollen and house symbiotic ants. It is distributed from Egypt to Kenya and west Senegal. In the Sahara, it often grows in damp valleys. It is also found at'' wadis'' on the Arabian Peninsula. Varieties Two varieties are recognized: * ''Vachellia seyal'' var. ''fistula'' (Schweinf.) Kyal. & Boatwr. * ''Vachellia seyal'' var. ''seyal'' (Delile) P.J.H.Hurter Hybrids ''Vachellia seyal'' occasionally hybridizes with ''V. xanthophloea''. Uses Gum arabic ''Vachellia seyal'' is, along with other ''Vachellias'', an important ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rope
A rope is a group of yarns, plies, fibres, or strands that are twisted or braided together into a larger and stronger form. Ropes have tensile strength and so can be used for dragging and lifting. Rope is thicker and stronger than similarly constructed cord, string, and twine. Construction Rope may be constructed of any long, stringy, fibrous material, but generally is constructed of certain natural or synthetic fibres. Synthetic fibre ropes are significantly stronger than their natural fibre counterparts, they have a higher tensile strength, they are more resistant to rotting than ropes created from natural fibres, and they can be made to float on water. But synthetic ropes also possess certain disadvantages, including slipperiness, and some can be damaged more easily by UV light. Common natural fibres for rope are Manila hemp, hemp, linen, cotton, coir, jute, straw, and sisal. Synthetic fibres in use for rope-making include polypropylene, nylon, polyesters (e.g. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heartwood
Wood is a porous and fibrous structural tissue found in the stems and roots of trees and other woody plants. It is an organic materiala natural composite of cellulose fibers that are strong in tension and embedded in a matrix of lignin that resists compression. Wood is sometimes defined as only the secondary xylem in the stems of trees, or it is defined more broadly to include the same type of tissue elsewhere such as in the roots of trees or shrubs. In a living tree it performs a support function, enabling woody plants to grow large or to stand up by themselves. It also conveys water and nutrients between the leaves, other growing tissues, and the roots. Wood may also refer to other plant materials with comparable properties, and to material engineered from wood, or woodchips or fiber. Wood has been used for thousands of years for fuel, as a construction material, for making tools and weapons, furniture and paper. More recently it emerged as a feedstock for the production ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charcoal
Charcoal is a lightweight black carbon residue produced by strongly heating wood (or other animal and plant materials) in minimal oxygen to remove all water and volatile constituents. In the traditional version of this pyrolysis process, called charcoal burning, often by forming a charcoal kiln, the heat is supplied by burning part of the starting material itself, with a limited supply of oxygen. The material can also be heated in a closed retort. Modern "charcoal" briquettes used for outdoor cooking may contain many other additives, e.g. coal. This process happens naturally when combustion is incomplete, and is sometimes used in radiocarbon dating. It also happens inadvertently while burning wood, as in a fireplace or wood stove. The visible flame in these is due to combustion of the volatile gases exuded as the wood turns into charcoal. The soot and smoke commonly given off by wood fires result from incomplete combustion of those volatiles. Charcoal burns at a higher temper ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Firewood
Firewood is any wooden material that is gathered and used for fuel. Generally, firewood is not highly processed and is in some sort of recognizable log or branch form, compared to other forms of wood fuel like pellets or chips. Firewood can be seasoned and heat treated (dry) or unseasoned (fresh/wet). It is generally classified as hardwood or softwood. Firewood is a renewable resource. However, demand for this fuel can outpace its ability to regenerate on a local or regional level. Good forestry practices and improvements in devices that use firewood can improve local wood supplies. Moving firewood long distances can potentially transport diseases and invasive species. History For most of human history firewood was the main fuel, until the use of coal spread during the Industrial Revolution. As such, access to firewood was a valued resource, wood botes or the right to gather firewood being a significant aspect of many medieval leases. As late as 19th C America, Thoreau ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Honey
Honey is a sweet and viscous substance made by several bees, the best-known of which are honey bees. Honey is made and stored to nourish bee colonies. Bees produce honey by gathering and then refining the sugary secretions of plants (primarily floral nectar) or the secretions of other insects, like the honeydew of aphids. This refinement takes place both within individual bees, through regurgitation and enzymatic activity, as well as during storage in the hive, through water evaporation that concentrates the honey's sugars until it is thick and viscous. Honey bees stockpile honey in the hive. Within the hive is a structure made from wax called honeycomb. The honeycomb is made up of hundreds or thousands of hexagonal cells, into which the bees regurgitate honey for storage. Other honey-producing species of bee store the substance in different structures, such as the pots made of wax and resin used by the stingless bee. Honey for human consumption is collected from wild ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Honey Bee
A honey bee (also spelled honeybee) is a eusocial flying insect within the genus ''Apis'' of the bee clade, all native to Afro-Eurasia. After bees spread naturally throughout Africa and Eurasia, humans became responsible for the current cosmopolitan distribution of honey bees, introducing multiple subspecies into South America (early 16th century), North America (early 17th century), and Australia (early 19th century). Honey bees are known for their construction of perennial colonial nests from wax, the large size of their colonies, and surplus production and storage of honey, distinguishing their hives as a prized foraging target of many animals, including honey badgers, bears and human hunter-gatherers. Only eight surviving species of honey bee are recognized, with a total of 43 subspecies, though historically 7 to 11 species are recognized. Honey bees represent only a small fraction of the roughly 20,000 known species of bees. The best known honey bee is the weste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> Acacia Karroo")
