Browsing Research Articles (Plant Production and Soil Science) by UP Author "Van Wyk, Abraham Erasmus (Braam)"
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Browsing Research Articles (Plant Production and Soil Science) by UP Author "Van Wyk, Abraham Erasmus (Braam)"
Now showing items 1-20 of 21
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Klopper, Ronell Renett; Smith, Gideon F.; Figueiredo, Estrela; Van Wyk, Abraham Erasmus (Braam) (International Association for Plant Taxonomy, 2016-10)No abstract available.
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Trytsman, Marike; Masemola, Elizabeth L.; Muller, Francuois L.; Calitz, Frikkie J.; Van Wyk, Abraham Erasmus (Braam) (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor & Francis Group), 2019)In contrast to the exploration and use of southern African grass plant genetic resources over the past century, only a few indigenous legume species are currently used as forages, notwithstanding the vast untapped legume ...
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Trytsman, Marike; Muller, Francuois L.; Morris, Craig D.; Van Wyk, Abraham Erasmus (Braam) (Taylor & Francis, 2021)The ecological and economical importance of African grasses in sustaining animal production prompted studies to quantify the wealth of grass genetic resources indigenous to southern Africa. Plant collection and occurrence data ...
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Swanepoel, Wessel; Weeks, Andrea; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2022-04-20)Commiphora omundomba, described here as a new species, is known only from the Kaokoveld Centre of Endemism, a biogeographical region in southwestern Angola and Northwestern Namibia. It has hitherto been confused with C. ...
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Tilney, Patricia M.; Nel, Magda; Van Wyk, Abraham Erasmus (Braam) (Elsevier, 2018-02)Ekebergia capensis is a medium-sized to large evergreen to deciduous tree ranging from southern Africa to Ethiopia. Two morphologically-distinct variants of E. capensis, southern and northern, may be recognized in southern ...
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Tilney, Patricia M.; Nel, Magda; Van Wyk, Abraham Erasmus (Braam) (Taylor and Francis, 2018-04)Melia azedarach (chinaberry; syringa), a tree with bipinnately compound leaves, is one of the most widely cultivated of all tropical trees, but has become naturalised in several parts of the world. New observations are ...
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Magwede, K.; Van Wyk, Ben-Erik; Van Wyk, Abraham Erasmus (Braam) (Elsevier, 2019-05)An inventory and analysis of the general uses of plants by the Vhavenḓa, a cultural group who historically occupied the region known as Venḓa, currently referred to as the Vhembe District, Limpopo Province, South Africa, ...
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Frisby, Arnold Walter; Deutschlander, Miranda; Van Wyk, Abraham Erasmus (Braam) (Botanical Society of SA, 2017-12)The Magaliesberg mountain range is ancient, having formed well over two billion years ago. This makes it one of the oldest mountain ranges on our planet and significantly older than relatively recently formed mountain ...
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Boon, R.G.C.; Jordaan, Marie; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2020-02)Combretum eugeneanum, a new species from northeastern KwaZulu-Natal, South Africa and confined to the Maputaland Centre of Plant Endemism, is described, illustrated, mapped, and compared with southern African members of ...
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Swanepoel, Wessel; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2023-08-17)Petalidium karasbergense, here described as a new species, is only known from the Groot Karasberge (Great Karas Mountains) in southeastern Namibia where it grows on arid hillsides in dwarf shrubland. Diagnostic morphological ...
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Swanepoel, Wessel; Nanyeni, Leevi; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2022-09-06)Petalidium mannheimerae, here described as a new species, is only known from the Gariep Centre of Plant Endemism in southern Namibia and northwestern South Africa. Apparently first collected in 1961, it grows on arid ...
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Trytsman, Marike; Muller, Francuois L.; Samuels, M. Igshaan; Cupido, Clement F.; Van Wyk, Abraham Erasmus (Braam) (MDPI, 2023-07-22)Rangelands in South Africa, Lesotho, and Eswatini contain a rich diversity of valuable fodder trees and shrubs. This research is the first attempt to document the regional diversity and distribution of these browse ...
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Swanepoel, Wessel; Dexter, Kyle G.; Loiseau, Oriane; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2023-11)The name Petalidium ovatum is reinstated and an amplified description is provided for a species of Petalidium confined to Namibia. Petalidium ovatum used to be treated as a synonym of the widespread P. englerianum, but ...
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Swanepoel, Wessel; Becker, Rolf; De Cauwer, Vera; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2022-11-03)Senecio namibensis is described as a new species known only from the northern part of the Namib Desert in northwestern Namibia. It is a range-restricted species near-endemic to the Kaokoveld Centre of Endemism. These dwarf ...
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Klopper, Ronell Renett; Crouch, Neil R.; Smith, Gideon F.; Van Wyk, Abraham Erasmus (Braam) (https://phytokeys.pensoft.net/, 2020-03-12)The KwaZulu-Natal province of South Africa has a varied topography, geology and climate and presents diverse habitats that support a rich and diverse flora. Aloes are well represented in KwaZulu-Natal, with four genera ...
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Klopper, Ronell Renett; Grace, Olwen M.; Klopper, Arrie Willem; Smith, G.F. (Gideon Francois), 1959-; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2023-11-29)Aloe sect. Purpurascentes, or the speckled aloes (not to be confused with the maculate aloes, which are members of A. sect. Pictae), occurs in southern and western South Africa and southern Namibia. This section is here ...
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Steyn, Hester Maria; Van Wyk, Abraham Erasmus (Braam) (Publications scientifiques du Muséum, 2021-07)Hitherto characters derived mostly from macromorphology were used to distinguish among the members of Acanthopsis Harv., a taxonomically difficult group of plants endemic to arid parts of southern Africa. The taxonomic ...
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Daru, Barnabas H.; Kling, Matthew M.; Meineke, Emily K.; Van Wyk, Abraham Erasmus (Braam) (Wiley Open Access, 2019-03)PREMISE OF THE STUDY: Herbarium specimens are increasingly used as records of plant flowering phenology. However, most herbarium-based studies on plant phenology focus on taxa from temperate regions. Here, we explore ...
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Magwede, K.; Ramovha, Luvhimba lsaac; Mabogo, Dowelani Edward Ndivhudzannyi; Van Wyk, Abraham Erasmus (Braam); Van Wyk, Ben-Erik (Elsevier, 2019-05)Lannea schweinfurthii var. stuhlmannii, an African tree ranging from Sudan southwards to South Africa, has its thicker roots covered by an unusual furry layer of hair-like structures originating from the periderm. Wool-like ...
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Struwig, Madeleen; Le Roux, Precious T.; Siebert, Stefan J.; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2023-10-12)We are describing here Stylochaeton glaucophyllum and S. sekhukhuniense, two new species from northeastern South Africa. Both species have a restricted distribution and are endemic to the Sekhukhuneland Centre of Plant ...
Now showing items 1-20 of 21