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Kleinia Petraea
''Kleinia petraea'' is a species of flowering plant in the genus ''Kleinia'' and family Asteraceae which was previously considered to be a species of ''Senecio''. Native to Kenya and Tanzania, it is colloquially known as creeping jade, trailing jade or weeping jade due to its resemblance to the unrelated Jade plant (''Crassula ovata''). Description It is a multiple-branched succulent with fleshy stems which sprawl along the soil, thereby forming a system of roots as it spreads on the ground, or hang over the edges (if planted in a container). The green leaves are usually speckled with purple, mauve, or brown tinges. The stems grow up to 20 inches (50 cm) long and are approximately 0.3 inches (0.8 cm) in diameter. Leaves are either erect or spreading, thickened, fleshy, roughly egg-shaped, up to 2.6 inches (6.5 cm) long, and around 1.3 inches (3.2 cm) wide. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Robert Elias Fries
(Klas) Robert Elias Fries (11 July 1876, Uppsala – 29 January 1966, Stockholm), the youngest son of Theodor Magnus Fries (1832–1913) and grandson of Elias Magnus Fries(1794–1878) and an expert on mushrooms. A Swedish botanist who was a member of the British Mycological Society and involved with The Botanical Museum (UPS), Botanic Garden and Botanical Museum Berlin-Dahlem, Natural History Museum (BM), the National Botanic Garden of Belgium (BR), Conservatoire et Jardin botaniques de la Ville de Genève (G), Royal Botanic Gardens, Kew (K),the Swedish Museum of Natural History Department of Phanerogamic Botany (S) and the United States National Herbarium, Smithsonian Institution (US). A collector of plants from 1901 through 1923 in Europe: Sweden; Tropical Africa: Kenya; Tropical South America: Bolivia; Temperate South America: Argentina. He sometimes worked with his father and his brother Thore Christian Elias Fries (1886–1931). He was part of the Swedish 1901–190 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Convergent Evolution
Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time. Convergent evolution creates analogous structures that have similar form or function but were not present in the last common ancestor of those groups. The cladistic term for the same phenomenon is homoplasy. The recurrent evolution of flight is a classic example, as flying insects, birds, pterosaurs, and bats have independently evolved the useful capacity of flight. Functionally similar features that have arisen through convergent evolution are ''analogous'', whereas '' homologous'' structures or traits have a common origin but can have dissimilar functions. Bird, bat, and pterosaur wings are analogous structures, but their forelimbs are homologous, sharing an ancestral state despite serving different functions. The opposite of convergence is divergent evolution, where related species evolve different traits. Convergent evolution is similar to parallel evo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Kenya
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of East Tropical Africa
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drought Tolerant
Drought tolerance is the ability to which a plant maintains its biomass production during arid or drought conditions. Some plants are naturally adapted to dry conditions'','' surviving with protection mechanisms such as desiccation tolerance, detoxification, or repair of xylem embolism. Other plants, specifically crops like corn, wheat, and rice, have become increasingly tolerant to drought with new varieties created via genetic engineering. The plants behind drought tolerance are complex and involve many pathways which allows plants to respond to specific sets of conditions at any given time. Some of these interactions include stomatal conductance, carotenoid degradation and anthocyanin accumulation, the intervention of osmoprotectants (such as sucrose, glycine, and proline), ROS-scavenging enzymes. The molecular control of drought tolerance is also very complex and is influenced other factors such as environment and the developmental stage of the plant. This control consists mai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Groundcover
Groundcover or ground cover is any plant that grows over an area of ground. Groundcover provides protection of the topsoil from erosion and drought. In an ecosystem, the ground cover forms the layer of vegetation below the shrub layer known as the herbaceous layer. The most widespread ground covers are grasses of various types. In ecology, groundcover is a difficult subject to address because it is known by several different names and is classified in several different ways. The term groundcover could also be referring to “the herbaceous layer,” “regenerative layer", “ground flora” or even "step over." In agriculture, ground cover refers to anything that lies on top of the soil and protects it from erosion and inhibits weeds. It can be anything from a low layer of grasses to a plastic material. The term ''ground cover'' can also specifically refer to landscaping fabric which is like a breathable tarp that allows water and gas exchange. In gardening jargon, however, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garden Plant
Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that improve on the original species in qualities such as color, shape, scent, and long-lasting blooms. There are many examples of fine ornamental plants that can provide height, privacy, and beauty for any garden. These ornamental perennial plants have seeds that allow them to reproduce. One of the beauties of ornamental grasses is that they are very versatile and low maintenance. Almost any types of plant have ornamental varieties: trees, shrubs, climbers, grasses, Succulent plant, succulents. aquatic plants, herbaceous perennials and annual plants. Non-botanical classifications include houseplants, bedding plants, hedges, plants for cut flowers and foliage plants. The cultivation of ornamental plants comes under floriculture and tree nursery, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Succulent
In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meaning "juice" or "sap". Succulent plants may store water in various structures, such as leaves and stems. The water content of some succulent organs can get up to 90–95%, such as '' Glottiphyllum semicyllindricum'' and '' Mesembryanthemum barkleyii''. Some definitions also include roots, thus geophytes that survive unfavorable periods by dying back to underground storage organs may be regarded as succulents. The habitats of these water-preserving plants are often in areas with high temperatures and low rainfall, such as deserts, but succulents may be found even in alpine ecosystems growing in rocky soil. Succulents are characterized by their ability to thrive on limited water sources, such as mist and dew, which makes them equipped to s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kleinia Petraea 02
''Kleinia'' is a genus of African flowering plants in the sunflower family. ''Kleinia'' contains around 50 species and is distributed from the Canary Islands, throughout Tropical Africa to India and Arabia. It is closely related to the genus '' Senecio'' but is distinguished primarily by having succulent stems and/or leaves. ''Kleinia'' commemorates Dr Jacob Theodor Klein, a German botanist. ;Species ;formerly included * '' Senecio articulatus'' (L.f.) Sch. Bip. **''Kleinia articulata'' (L.f.) Haw. * ''Senecio radicans'' (L.f.) Sch. Bip. **''Kleinia radicans'' Haw. ex DC. * ''Porophyllum ruderale'' subsp. ''ruderale'' **''Kleinia ruderalis'' Jacq. * ''Stevia selloi Stevia () is a natural sweetener and sugar substitute derived from the leaves of the plant species '' Stevia rebaudiana'', native to Paraguay and Brazil. The active compounds are steviol glycosides (mainly stevioside and rebaudioside), whic ...'' (Spreng.) B.L.Rob. **''Kleinia selloi'' Spreng Refer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jade Plant
''Crassula ovata'', commonly known as jade plant, lucky plant, money plant or money tree, is a succulent plant with small pink or white flowers that is native to the KwaZulu-Natal and Eastern Cape provinces of South Africa, and Mozambique; it is common as a houseplant worldwide. Much of its popularity stems from the low levels of care needed; the jade plant requires little water and can survive in most indoor conditions. It is sometimes referred to as the money tree; however, ''Pachira aquatica'' also has this nickname. Description The jade plant is an evergreen with thick branches. It has thick, shiny, smooth leaves that grow in opposing pairs along the branches. Leaves are a rich jade green, although some may appear to be more of a yellow-green. Some varieties may develop a red tinge on the edges of leaves when exposed to high levels of sunlight. New stem growth is the same colour and texture as the leaves, becoming woody and brown with age. It grows as an upright, rounded, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tanzania
Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and the Indian Ocean to the east; Mozambique and Malawi to the south; Zambia to the southwest; and Rwanda, Burundi, and the Democratic Republic of the Congo to the west. Mount Kilimanjaro, Africa's highest mountain, is in northeastern Tanzania. According to the United Nations, Tanzania has a population of million, making it the most populous country located entirely south of the equator. Many important hominid fossils have been found in Tanzania, such as 6-million-year-old Pliocene hominid fossils. The genus Australopithecus ranged across Africa between 4 and 2 million years ago, and the oldest remains of the genus ''Homo'' are found near Lake Olduvai. Following the rise of '' Homo erectus'' 1.8 million years ago, humanity spread ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Jeffrey (botanist)
Charles Jeffrey (10 April 1934, Kensington – 29 March 2022 Saint Petersburg, St Petersburg) was a British botanist. He was born in Kensington, London, and went to school in Walthamstow. During his National service he learnt Russian language, Russian at the Joint Services School for Linguistics. After his National Service he went up to Sidney Sussex College, Cambridge, graduating in 1957. He then worked as a Taxonomy (biology), taxonomist at the Herbarium, Royal Botanic Gardens, Kew, until he retired in 1994. He wrote on Botanical nomenclature and in 1969 translated 'Flowering plants: origin and dispersal' by Armen Takhtajan into English. His main research interests were in the Cucurbitaceae and Asteraceae, Compositae. His interest in plant systematics led him in 1982 to propose a five-kingdom classification. He also collected plants, such in Gabon (1957), the Seychelles (1962/63), Kenya (1963), Mongolia (1970), and Venezuela (1977). After the International Compositae Confere ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
