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Browsing Research Articles (Plant Science) by Title

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  • (115–116) Proposals to eliminate the Latin requirement for the valid publication of plant names
    Figueiredo, Estrela; Moore, Gerry; Smith, G.F. (Gideon Francois), 1959- (International Association for Plant Taxonomy, 2010-04)
    Article 36.1 in the International code of botanical nomenclature requires that, as from 1 January 1935, all names of new plant taxa (algae and fossils excepted) must be accompanied by a Latin description or diagnosis ...
  • The Acacia controversy resulting from minority rule at the Vienna Nomenclature Section : much more than arcane arguments and complex technicalities
    Moore, Gerry; Smith, G.F. (Gideon Francois), 1959-; Figueiredo, Estrela; Demissew, Sebsebe; Lewis, G.P. (Gwilym Peter); Schrire, Brian D.; Rico, Lourdes; Van Wyk, Abraham Erasmus (Braam); Luckow, Melissa; Kiesling, Roberto; Mario, Sousa S. (International Association for Plant Taxonomy, 2011-06)
    The arguments towards resolving the Acacia nomenclatural controversy put forth by Thiele & al. (2011) are reviewed and rebutted. We argue that a truly pragmatic and, moreover, defensible and equitable alternative to ...
  • Acacia, the 2011 Nomenclature Section in Melbourne, and beyond
    Moore, Gerry; Smith, G.F. (Gideon Francois), 1959-; Figueiredo, Estrela; Demissew, Sebsebe; Lewis, G.P. (Gwilym Peter); Schrire, Brian D.; Rico, Lourdes; Van Wyk, Abraham Erasmus (Braam) (International Association for Plant Taxonomy, 2010-08)
    This paper briefly reports on the developments surrounding the Acacia name conservation controversy since the Nomenclature Section meeting at the Seventeenth International Botanical Congress at Vienna in 2005. Actions taken ...
  • Acclimation to high CO2 in maize is related to water status and dependent on leaf rank
    Prins, Anneke; Mukubi, Josephine Muchwesi; Pellny, Till K.; Verrier, Paul J.; Beyene, Getu; Lopes, Marta Silva; Emami, Kaveh; Treumann, Achim; Lelarge-Trouverie, Caroline; Noctor, Graham; Kunert, Karl J.; Kerchev, Pavel; Foyer, Christine H. (Wiley-Blackwell, 2011-02)
    The responses of C3 plants to rising atmospheric CO2 levels are considered to be largely dependent on effects exerted through altered photosynthesis. In contrast, the nature of the responses of C4 plants to high CO2 remains ...
  • Activity of 7-methyljuglone derivatives against Mycobacterium tuberculosis and as subversive substrates for mycothiol disulfide reductase
    Mahapatra, A.; Mativandlela, S.P.N.; Binneman, B.; Fourie, P. Bernard; Hamilton, Chris J.; Meyer, J.J.M. (Jacobus Johannes Marion); Van der Kooy, Frank; Houghton, Peter James; Lall, Namrita (Elsevier, 2007-12)
    The naphthoquinone 7-methyljuglone (5-hydroxy-7-methyl-1,4-naphthoquinone) has previously been isolated and identified as an active component of root extracts of Euclea natalensis which displays antitubercular activity. ...
  • African herbaria support transformation on the continent
    Smith, G.F. (Gideon Francois), 1959-; Roux, Jacobus P. (Koos); Raven, Peter; Figueredo, Estrela (Missouri Botanical Garden Press, 2011-07-15)
    The African Plants Initiative (API) was conceived as a web-based, electronic venture that would provide rapid access to images of type specimens of African plant names. This soon grew to also encompass images of living ...
  • The African plants initiative (API) in South Africa
    Walters, Michele; Smith, G.F. (Gideon Francois), 1959-; Crouch, Neil R. (International Association for Plant Taxonomy, 2010-04)
    Given the ongoing and often destructive impact of humans on the natural environment, the need for sound and robust taxonomies has become critically important (see for example Godfray & Knapp, 2004). The difficulty with ...
  • Agavaceae : Furcraea foetida : an invading alien in South Africa
    Crouch, Neil R.; Smith, G.F. (Gideon Francois), 1959- (National Botanical Institute, 2011-01)
    The genus Agave L. has long been recognized as invasive in southern Africa, and until recently was thought to be the only one of eight genera in the Agavaceae (Verhoek 1998) to have become regionally naturalized (Smith ...
  • Agave americana L. (subsp. americana) var. expansa (Jacobi) gentry (Agavaceae) naturalized in South Africa
    Smith, G.F. (Gideon Francois), 1959-; Figueiredo, Estrela (British Cactus and Succulent Society, 2011)
    The Mexican Agave americana L. subsp. americana var. expansa (Jacobi) Gentry, a distinctive variety of the widely cultivated, blueleaved century plant, is here recorded as having become established in South Africa. A ...
  • Age determination of Acacia erioloba trees in the Kalahari
    Steenkamp, Carol Judith; Vogel, J.C.; Fuls, A.; Van Rooyen, Noel, 1950-; Van Rooyen, M.W. (Margaretha W.), 1950-; Van Rooyen, Gretel, 1950- (Elsevier, 2008-04)
    High quality wood core samples were collected from individual Acacia erioloba trees of unknown age in the Kgalagadi Transfrontier Park. In the majority of samples examined, seasonal changes were reflected in the wood anatomy ...
  • Alliaceae : micromorphology and cytology of Prototulbaghia siebertii, with notes on its taxonomic significance
    Vosa, C.G.; Siebert, S.J.; Van Wyk, Abraham Erasmus ( Braam ) (National Botanical Institute, 2011-01)
    Four genera of the Alliaceae are known to occur in sub-Saharan Africa, in total comprising 35 indigenous and two naturalized alien species (Table 2) (Archer 2003; Klopper et al. 2006). Tulbaghia L. is the most diverse and ...
  • Allioni's Aloe names (Asphodelaceae): nomenclature and typification
    Guglielmone, L.; Gallo, L.; Meregalli, M.; Smith, G.F. (Gideon Francois), 1959-; Figueiredo, Estrela (National Botanical Institute, 2009)
    The taxa belonging to the genus Aloe published in Synopsis methodica stirpium horti regii taurinensis (Allioni 1760) and in Auctarium ad synopsim methodicam stirpium horti regii taurinensis (Allioni 1773) were examined. ...
  • Aloe arborescens Mill. (Asphodelaceae) is spreading in Portugal
    Smith, G.F. (Gideon Francois), 1959-; Figueiredo, Estrela (British Cactus and Succulent Society, 2009)
    Two species of Aloe L., Aloe vera (L.) Burm.f. and A. arborescens Mill. have been recorded as naturalised in Portugal: A. vera as an occasional escape along the Algarve in the south, and A. arborescens from central coastal ...
  • Aloe huntleyana, a new species from the Baynes Mountains, Namibia
    Van Jaarsveld, Ernst J.; Swanepoel, Wessel (British Cactus and Succulent Society, 2012)
    Aloe huntleyana Van Jaarsv. & Swanepoel is named from the Kaokoveld. It belongs to a group of five closely related species from southern Angola, but immediately distinguished by its leaves which remain persistent along ...
  • Aloe in Angola (Asphodelaceae: Alooideae)
    Klopper, Ronell Renett; Matos, S.; Figueiredo, Estrela; Smith, G.F. (Gideon Francois), 1959- (National Botanical Institute, 2009)
    Botanical exploration of Angola was virtually impossible during the almost three-decade-long civil war. With more areas becoming accessible, there is, however, a revived interest in the flora of this country. A total of ...
  • Aloe maculata All. (Asphodelaceae) in the Free State Province, South Africa, and resurrection of ‘var. ficksburgensis’
    Smith, G.F. (Gideon Francois), 1959-; Figueiredo, Estrela; Klopper, Ronell Renett; Crouch, Neil R. (British Cactus and Succulent Society, 2012)
    Although morphologically variable and widely distributed in southern Africa, Aloe maculata All. is well defined by a suite of characters that includes maculate (spotted) leaves, flattopped inflorescences and uniformly ...
  • Aloe nicholsii Gideon F.Sm. & N.R.Crouch (Asphodelaceae) : a new leptoaloe from KwaZulu-Natal, South Africa
    Smith, G.F. (Gideon Francois), 1959-; Crouch, Neil R. (British Cactus and Succulent Society, 2010)
    A new species of leptoaloe, Aloe nicholsii Gideon F.Sm. & N.R.Crouch is described from the midlands of KwaZulu-Natal, South Africa. The species shows affinities with Aloe kraussii Baker, but can be readily distinguished ...
  • Aloe sharoniae N.R.Crouch & Gideon F.Sm. (Asphodelaceae) : species rank for a leptoaloe from southern Africa
    Crouch, Neil R.; Smith, G.F. (Gideon Francois), 1959- (British Cactus and Succulent Society, 2011)
    A new species of Aloe L., Aloe sharoniae N.R.Crouch & Gideon F.Sm., is recognised from northern KwaZulu-Natal, South Africa and Swaziland. This taxon was previously known as A. cooperi Baker subsp. pulchra Glen ...
  • Anatomy of myxospermic diaspores of selected species in the Succulent Karoo, Namaqualand, South Africa
    Makouate, H. Fotouo; Van Rooyen, M.W. (Margaretha W.), 1950-; Van der Merwe, Christiaan F. (National Botanical Institute, 2012)
    Environmental conditions encountered in arid ecosystems differ vastly from those in more mesic ecosystems. Dispersal strategies in arid environments refl ect these differences and many mechanisms have evolved that restrict ...
  • Annotated catalogue of the flowering plants of São Tomé and Príncipe
    Figueiredo, Estrela; Paiva, Jorge; Stevart, T.; Oliveira, F.; Smith, G.F. (Gideon Francois), 1959- (National Botanical Institute, 2011)
    A catalogue of the flowering plants of the islands of São Tomé and Príncipe (Gulf of Guinea) is presented. Flowering plant diversity figures are updated to: 135 families (20 introduced), 624 genera (172 introduced), 1 104 ...

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