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Trichilia Dregeana
''Trichilia dregeana'', commonly known as the forest natal-mahogany, is a tree in the family Meliaceae. These trees are found in forest areas from the Eastern Cape of South Africa to Tropical Africa. Description The 7 to 11 leaflets of the large compound leaf have 7 to 12 lateral veins, typically less than the related Natal mahogany. The dehiscent Dehiscence is the splitting of a mature plant structure along a built-in line of weakness to release its contents. This is common among fruits, anthers and sporangia. Sometimes this involves the complete detachment of a part; structures that op ... fruit is reddish brown, spherical and about 3 cm in diameter. As with the Natal mahogany, each black seed is almost enveloped by a red aril. Gallery File:Trichilia dregeana, vrugte, Waterkloofrif, b.jpg, File:Trichilia_dregeana_fruit.JPG, Fruit and black seeds with red arils File:Trichilia_dregeana.JPG, Seeds and compound leaf File:Trichilia dregeana, lower, Waterkloofrif, a.jp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otto Wilhelm Sonder
Otto Wilhelm Sonder (18 June 1812, Bad Oldesloe – 21 November 1881) was a German botanist and pharmacist. Life A native of Holstein, Sonder studied at Kiel University, where he sat pharmaceutical examinations in 1835, before becoming the proprietor of a pharmacy in Hamburg from 1841 to 1878. In 1846 he received an honorary doctorate from the University of Königsberg and was elected a member of the German National Academy of Sciences Leopoldina for his contribution to the field of botany. Herbarium From a young age, Sonder showed considerable interest and skill in Botany. He often embarked on botanical excursions in his local area early in the morning before heading to work at the pharmacy. Throughout his life, Sonder met and conversed with many eminent botanists of the era. He amassed an extensive botanical collection that contained hundreds of thousands of specimens representing all major plant groups and spanning all parts of the globe. The collection is particularly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meliaceae
Meliaceae, the mahogany family, is a flowering plant family of mostly trees and shrubs (and a few herbaceous plants, mangroves) in the order Sapindales. They are characterised by alternate, usually pinnate leaves without stipules, and by syncarpous, apparently bisexual (but actually mostly cryptically unisexual) flowers borne in panicles, cymes, spikes, or clusters. Most species are evergreen, but some are deciduous, either in the dry season or in winter. The family includes about 53 genera and about 600 known species, with a pantropical distribution; one genus ('' Toona'') extends north into temperate China and south into southeast Australia, another (''Synoum'') into southeast Australia, and another (''Melia'') nearly as far north. They most commonly grow as understory trees in rainforests, but are also found in mangroves and arid regions. The fossil record of the family extends back into the Late Cretaceous. Uses Various species are used for vegetable oil, soap-making, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eastern Cape
The Eastern Cape is one of the provinces of South Africa. Its capital is Bhisho, but its two largest cities are East London and Gqeberha. The second largest province in the country (at 168,966 km2) after Northern Cape, it was formed in 1994 out of the Xhosa homelands or bantustans of Transkei and Ciskei, together with the eastern portion of the Cape Province. The central and eastern part of the province is the traditional home of the indigenous Xhosa people. In 1820 this area which was known as the Xhosa Kingdom began to be settled by Europeans who originally came from England and some from Scotland and Ireland. Since South Africa's early years, many Xhosas believed in Africanism and figures such as Walter Rubusana believed that the rights of Xhosa people and Africans in general, could not be protected unless Africans mobilized and worked together. As a result, the Eastern Cape is home to many anti-apartheid leaders such as Robert Sobukwe, Oliver Tambo, Nelson M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Africa
South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of coastline that stretch along the Atlantic Ocean, South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini. It also completely Enclave and exclave, enclaves the country Lesotho. It is the southernmost country on the mainland of the Old World, and the List of countries and dependencies by population, second-most populous country located entirely south of the equator, after Tanzania. South Africa is a biodiversity hotspot, with unique biomes, plant and animal life. With over Demographics of South Africa, 60 million people, the country is the world's List of countries and dependencies by population, 24th-most populous nation and covers an area of . South Africa has three capital cities, with the executive, judicial and le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tropical Africa
Although tropical Africa is mostly familiar to the West for its rainforests, this biogeographic realm of Africa is far more diverse. While the tropics are thought of as regions with hot moist climates, which are caused by latitude and the tropical rain belt, the geology of areas, particularly mountain chains, and geographical relation to continental and regional scale winds impact the overall areas , also, making the tropics run from arid to humid in West Africa. The area is currently experiencing the negative effects of rapid human population growth.Zinkina J., Korotayev A.br>Explosive Population Growth in Tropical Africa: Crucial Omission in Development Forecasts (Emerging Risks and Way Out). ''World Futures'' 70/2 (2014): 120–139 Overview Tropical rainforests are moist forests of semi-deciduous plants distributed across nine West African countries. Institute for Sea Research conducted a temperature record dating back 700,000 years. Several conservation and development de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trichilia Emetica
''Trichilia emetica'' is a tree in the family Meliaceae, commonly known as the Natal mahogany. It is an evergreen tree, with handsome glossy dark green leaves and a wide spreading crown. Its sweet-scented flowers attract bees and birds. Subspecies ''Trichilia emetica'' has two subspecies, ''emetica'' and ''suberosa''. ''T. emetica'' ssp. ''emetica'' is restricted to southern Africa, while ''suberosa'' occur northwards of the Zambezi River. Distribution These trees are found in riverine vegetation and open woodland from KwaZulu-Natal Province of South Africa to Tropical Africa. Description ''Trichilia emetica'' is an evergreen, medium to large tree, up to 25 m high, with separate male and female plants. It has a dense, spreading crown. Leaflets are dark glossy green above, tips more or less rounded or broadly pointed, lower surface sparsely to densely hairy with principal side veins in 11–18 closely spaced pairs. Flowers are creamy green and sweetly scented. ''Trichilia emet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dehiscence (botany)
Dehiscence is the splitting of a mature plant structure along a built-in line of weakness to release its contents. This is common among fruits, anthers and sporangia. Sometimes this involves the complete detachment of a part; structures that open in this way are said to be dehiscent. Structures that do not open in this way are called indehiscent, and rely on other mechanisms such as decay or predation to release the contents. A similar process to dehiscence occurs in some flower buds (e.g., ''Platycodon'', ''Fuchsia''), but this is rarely referred to as dehiscence unless circumscissile dehiscence is involved; anthesis is the usual term for the opening of flowers. Dehiscence may or may not involve the loss of a structure through the process of abscission. The lost structures are said to be caducous. Association with crop breeding Manipulation of dehiscence can improve crop yield since a trait that causes seed dispersal is a disadvantage for farmers whose goal is to collec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trichilia
''Trichilia'' is a flowering plant genus in the family Meliaceae. These plants are particularly diverse in sub-Saharan Africa and tropical South America. Several species are used in folk medicine and shamanism – e.g. '' T. rubescens'' against malaria, '' T. tocacheana'' as a hallucinogen, and '' T. catigua'' in the aphrodisiac and stimulant catuaba. '' T. emetica'' wood, also known as Natal mahogany or Cape mahogany is the traditional material of choice for Mozambique's famous '' psikhelekedana'' miniature artists. ''Trichilia dregeana'', or forest mahogany also yields timber and is also used in carvings, traditional African musical instruments, household implements, furniture, bats and canoes. Selected species: * ''Trichilia acuminata'' * ''Trichilia areolata'' * ''Trichilia blanchetii'' * ''Trichilia breviflora'' * ''Trichilia bullata'' * ''Trichilia casaretti'' * '' Trichilia catigua'' * ''Trichilia chirriactensis'' * ''Trichilia columata'' Guardi * ''Trichilia disc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
