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Viscum Combreticola
''Viscum combreticola'', the Combretum mistletoe, is a leafless, dioecious mistletoe shrub, occurring from southern to tropical Africa, in a broad zone following the Rift Valleys. Though it is typically a hemiparasite of '' Combretum'' species, it may also be found on ''Terminalia'' (Combretaceae), ''Acacia'', '' Croton'', '' Diplorhynchus'', ''Dombeya ''Dombeya'' is a flowering plant genus. Traditionally included in the family Sterculiaceae, it is included in the expanded Malvaceae in the APG and most subsequent systematics. These plants are known by a number of vernacular names which sometim ...'', '' Heteropyxis'', '' Maytenus'', '' Melia'', '' Strychnos'' or '' Vangueria''. The much-branched twigs are flattened, ribbed and divided into clear segments. The brittle olive to olive-green segments exude a watery sap when broken. Their sessile fruit, usually in pairs, grow from the segment joints. They are ellipsoid berries of 6-7 mm in diameter, that are warty when young but ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strychnos Pungens
''Strychnos pungens'' (English: spine-leaved monkey-orange, Afrikaans: Stekelblaarklapper) is a tree which belongs to the Loganiaceae. Usually about 5m tall, occurring in mixed woodland or in rocky places. Branches are short and rigid. Leaves are smooth, stiff, opposite, elliptic and with a sharp, spine-like tip. Occurring in South Africa on the Witwatersrand, Magaliesberg and further north to northern Namibia, northern Botswana and Zimbabwe. The fruit is large (120mm diameter), round and with a smooth hard shell, bluish-green in colour and turning yellow when ripe. The pulp of ripe fruit is rich in citric acid and is edible, but the seeds are mildly poisonous. The tree is a close relative of ''Strychnos nux-vomica ''Strychnos nux-vomica'', the strychnine tree, also known as nux vomica, poison fruit, semen strychnos, and quaker buttons, is a deciduous tree native to India and to southeast Asia. It is a medium-sized tree in the family Loganiaceae that grow ...'', the source of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Melia (plant)
''Melia'' is a genus of Flowering plant, flowering trees in the family (biology), family Meliaceae. The name is derived from μελία, the Greek language, Greek name used by Theophrastus (c. 371 – c. 287 BC) for ''Fraxinus ornus'', which has similar Leaf, leaves. Selected species : List sources : Formerly placed here *''Azadirachta excelsa'' (Jack) M.Jacobs (as ''M. excelsa'' Jack) *''Azadirachta indica'' A.Juss. (as ''M. azadirachta'' L.) *''Cipadessa baccifera'' (Roth) Miq. (as ''M. baccifera'' Roth) *''Dysoxylum parasiticum'' (Osbeck) Kosterm. (as ''M. parasitica'' Osbeck) *''Sandoricum koetjape'' (Burm.f.) Merr. (as ''M. koetjape'' Burm.f.) References External links * Melia (plant), Meliaceae genera {{Meliaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of South Africa
The wildlife of South Africa consists of the flora and fauna of this country in southern Africa. The country has a range of different habitat types and an ecologically rich and diverse wildlife, vascular plants being particularly abundant, many of them endemic to the country. There are few forested areas, much savanna grassland, semi-arid Karoo vegetation and the fynbos of the Cape Floristic Region. Famed for its national parks and big game, 297 species of mammal have been recorded in South Africa, as well as 849 species of bird and over 20,000 species of vascular plants. Geography South Africa is located in subtropical southern Africa, lying between 22°S and 35°S. It is bordered by Namibia, Botswana and Zimbabwe to the north, by Mozambique and Eswatini (Swaziland) to the northeast, by the Indian Ocean to the east and south, and the Atlantic Ocean to the west, the coastline extending for more than . The interior of the country consists of a large, nearly flat, plateau with a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parasitic Plants
A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. They make up about 1% of angiosperms and are found in almost every biome. All parasitic plants develop a specialized organ called the haustorium, which penetrates the host plant, connecting them to the host vasculature – either the xylem, phloem, or both. For example, plants like ''Striga'' or ''Rhinanthus'' connect only to the xylem, via xylem bridges (xylem-feeding). Alternately, plants like ''Cuscuta'' and some members of ''Orobanche'' connect to both the xylem and phloem of the host. This provides them with the ability to extract water and nutrients from the host. Parasitic plants are classified depending on the location where the parasitic plant latches onto the host (root or stem), the amount of nutrients it requires, and their photosynthetic capability. Some parasitic plants can locate their host plants by detecting volatile chemicals in the air or soil given ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viscum
''Viscum'' is a genus of about 70–100 species of mistletoes, native to temperate and tropical regions of Europe, Africa, Asia and Australasia. Traditionally, the genus has been placed in its own family Viscaceae, but recent genetic research by the Angiosperm Phylogeny Group shows this family to be correctly placed within a larger circumscription of the sandalwood family, Santalaceae. Its name is the origin of the English word viscous, after the Latin ''viscum'', a sticky bird lime made from the plants' berries. They are woody, obligate hemiparasitic shrubs with branches long. Their hosts are woody shrubs and trees. The foliage is dichotomously or verticillately branching, with opposite pairs or whorls of green leaves which perform some photosynthesis (minimal in some species, notably ''V. nudum''), but with the plant drawing its mineral and water needs from the host tree. Different species of ''Viscum'' tend to use different host species; most species are able to use several d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viscum Cylindricum
''Viscum'' is a genus of about 70–100 species of mistletoes, native to temperate and tropical regions of Europe, Africa, Asia and Australasia. Traditionally, the genus has been placed in its own family Viscaceae, but recent genetic research by the Angiosperm Phylogeny Group shows this family to be correctly placed within a larger circumscription of the sandalwood family, Santalaceae. Its name is the origin of the English word viscous, after the Latin ''viscum'', a sticky bird lime made from the plants' berries. They are woody, obligate hemiparasitic shrubs with branches long. Their hosts are woody shrubs and trees. The foliage is dichotomously or verticillately branching, with opposite pairs or whorls of green leaves which perform some photosynthesis (minimal in some species, notably ''V. nudum''), but with the plant drawing its mineral and water needs from the host tree. Different species of ''Viscum'' tend to use different host species; most species are able to use several ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viscum Shirense
''Viscum'' is a genus of about 70–100 species of mistletoes, native to temperate and tropical regions of Europe, Africa, Asia and Australasia. Traditionally, the genus has been placed in its own family Viscaceae, but recent genetic research by the Angiosperm Phylogeny Group shows this family to be correctly placed within a larger circumscription of the sandalwood family, Santalaceae. Its name is the origin of the English word viscous, after the Latin ''viscum'', a sticky bird lime made from the plants' berries. They are woody, obligate hemiparasitic shrubs with branches long. Their hosts are woody shrubs and trees. The foliage is dichotomously or verticillately branching, with opposite pairs or whorls of green leaves which perform some photosynthesis (minimal in some species, notably ''V. nudum''), but with the plant drawing its mineral and water needs from the host tree. Different species of ''Viscum'' tend to use different host species; most species are able to use several ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viscum Dichotomum
''Viscum'' is a genus of about 70–100 species of mistletoes, native to temperate and tropical regions of Europe, Africa, Asia and Australasia. Traditionally, the genus has been placed in its own family Viscaceae, but recent genetic research by the Angiosperm Phylogeny Group shows this family to be correctly placed within a larger circumscription of the sandalwood family, Santalaceae. Its name is the origin of the English word viscous, after the Latin ''viscum'', a sticky bird lime made from the plants' berries. They are woody, obligate hemiparasitic shrubs with branches long. Their hosts are woody shrubs and trees. The foliage is dichotomously or verticillately branching, with opposite pairs or whorls of green leaves which perform some photosynthesis (minimal in some species, notably ''V. nudum''), but with the plant drawing its mineral and water needs from the host tree. Different species of ''Viscum'' tend to use different host species; most species are able to use several ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viscum Anceps
''Viscum'' is a genus of about 70–100 species of mistletoes, native to temperate and tropical regions of Europe, Africa, Asia and Australasia. Traditionally, the genus has been placed in its own family Viscaceae, but recent genetic research by the Angiosperm Phylogeny Group shows this family to be correctly placed within a larger circumscription of the sandalwood family, Santalaceae. Its name is the origin of the English word viscous, after the Latin ''viscum'', a sticky bird lime made from the plants' berries. They are woody, obligate hemiparasitic shrubs with branches long. Their hosts are woody shrubs and trees. The foliage is dichotomously or verticillately branching, with opposite pairs or whorls of green leaves which perform some photosynthesis (minimal in some species, notably ''V. nudum''), but with the plant drawing its mineral and water needs from the host tree. Different species of ''Viscum'' tend to use different host species; most species are able to use several ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vangueria
''Vangueria'' is a genus of flowering plants in the family Rubiaceae. The genus is named for , as '' V. madagascariensis'' is known in Malagasy. Distribution The genus contains over 50 species distributed in Africa south of the Sahara with one species occurring in Madagascar ('' V. madagascariensis''). The centre of diversity is in East Africa (Kenya, Tanzania) and they are rare in West Africa. Bacterial leaf symbiosis Endophytic bacteria are housed in the intercellular space of the leaf mesophyll tissue. The presence of these bacteria can only be microscopically ascertained. The bacteria are identified as ''Burkholderia'', which is a genus that is also found in the leaves of other Rubiaceae species. The hypothesis is that these endophytic bacteria provide chemical protection against insect herbivory. Gousiekte Several ''Vangueria'' species - '' V. latifolia'', '' V. pygmaea'', '' V. thamnus'' - are known to cause , a cardiotoxicosis of ruminants characterised by heart failure ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strychnos
''Strychnos'' is a genus of flowering plants, belonging to the family Loganiaceae (sometimes Strychnaceae). The genus includes about 100 accepted species of trees and lianas, and more than 200 that are as yet unresolved. The genus is widely distributed around the world's tropics and is noted for the presence of poisonous indole alkaloids in the roots, stems and leaves of various species. Among these alkaloids are the well-known and virulent poisons strychnine and curare. Etymology The name ''strychnos'' was applied by Pliny the Elder in his '' Natural History'' to ''Solanum nigrum''. The word is derived from the Ancient Greek στρύχνον (''strúkhnon'') – "acrid", "bitter". The meaning of the word ''strychnos'' was not fixed in Ancient Greece, where it could designate a variety of different plants having in common the property of toxicity. Distribution The genus has a pantropical distribution. Taxonomy The genus is divided into 12 sections, though it is conceded that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maytenus
''Maytenus'' ''Sunset Western Garden Book,'' 1995:606–607 is a genus of flowering plants in the family Celastraceae. Members of the genus are distributed throughout Central and South America, Southeast Asia, Micronesia and Australasia, the Indian Ocean and Africa. They grow in a very wide variety of climates, from tropical to subpolar. The traditional circumscription of ''Maytenus'' is paraphyletic, so many species have been transferred to ''Denhamia ''Denhamia'' is a genus of plants within the family Celastraceae, with species in Australia and New Caledonia. The species inhabit a variety of environments, from rainforest to semi-arid savanna. All species grow as shrubs or small trees up to 10 ...'', ''Gymnosporia'', ''Monteverdia'', and ''Tricerma''. Selected species * ''Maytenus abbottii'' Abraham Erasmus van Wyk, A.E.van Wyk * ''Maytenus acuminata'' (L.f.) Loes. * ''Maytenus boaria'' Juan Ignacio Molina, Molina (type species) * ''Maytenus buxifolia'' (A.Rich.) Griseb. (West ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
