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Relevant bibliographies by topics / Plant ecology Tugela Valley (South Africa)

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Academic literature on the topic 'Plant ecology Tugela Valley (South Africa)'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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Journal articles on the topic "Plant ecology Tugela Valley (South Africa)"

1

CROUCH, NEIL R., and DAVID G. A. STYLES. "Turraea tugelensis, a new species of Turraea sect. Nurmonia (Meliaceae) from South Africa." Phytotaxa 460, no. 2 (2020): 137–42. http://dx.doi.org/10.11646/phytotaxa.460.2.3.

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A new Turraea species, Turraea tugelensis is described from along the margins of woodland in the lower Tugela River valley in eastern KwaZulu-Natal, South Africa. This vicariant species is in Turraea sect. Nurmonia, and allied to the herbaceous suffruticose species T. pulchella and T. streyi, from which it is separable on both vegetative and sexual characteristics.

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2

CHANGWE, KUNDA, and KEVIN BALKWILL. "Floristics of the Dunbar Valley serpentinite site, Songimvelo Game Reserve, South Africa." Botanical Journal of the Linnean Society 143, no. 3 (2003): 271–85. http://dx.doi.org/10.1046/j.1095-8339.2003.00228.x.

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3

Weisser, P. J., E. C. A. Smith, A. P. Backer, and S. Van Eeden. "Flora and vegetation of the Mbonambi Beach Arcuate Scar on the Zululand dune barrier, Natal, South Africa." Bothalia 22, no. 2 (1992): 289–94. http://dx.doi.org/10.4102/abc.v22i2.852.

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A hundred and seventy-nine species belonging to 63 families were found in 13 communities in the Mbonambi Arcuate Scar. This is a rare type of dune valley that is described here and its vegetation is mapped. The great botanical diversity in a small area (7 ha) can be related to the variety in ecological conditions and the juxtaposition of pristine and disturbed areas. Because most of the adjacent area has been mined and this type of dune valley is rare, it deserves a high conservation status rating. A Pereskia aculeata infestation was found that requires urgent attention.

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4

Duncan, G. "Five new species of Lachenalia (Hyacinthaceae) from arid areas of Namibia and South Africa." Bothalia 28, no. 2 (1998): 131–39. http://dx.doi.org/10.4102/abc.v28i2.630.

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Five new species of Lachenalia are described: L. nutans G.D.Duncan from southwestern Namibia, L. attenuata W.F.Barker ex G.D Duncan from the Roggeveld Plateau. Little Karoo and southern Cape; L doleritica G.D.Duncan from the Bokkeveld Plateau; L lactosa G.D.Duncan from the Lowland Fvnbos of the Hermanus District, and L leipoldtii G D Duncan from the Olifants River Valley and Little Karoo

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5

Duncan, G. D., and T. J. Edwards. "Three new species of Lachenalia (Hyacinthaceae: Massonieae) from Western and Northern Cape, South Africa." Bothalia 36, no. 2 (2006): 147–55. http://dx.doi.org/10.4102/abc.v36i2.353.

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This is the sixth in a series of papers on Lachenalia, towards a revision of the genus. Three new species are described. L. lutea from the southwestern part of the Western Cape, L. cernua from the southern Cape Peninsula and the Worcester Valley of the Western Cape, and L. nardousbergensis from the Bokkeveld Plateau of the Northern Cape, and the Nardousberge and Middelburg Plateaus of the Western Cape.

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6

Retief, E., S. J. Siebert, and A. E. Van Wyk. "A new species of Euclea (Ebenaceae) from ultramafic soils in Sekhukhuneland, South Africa, with notes on its ecology." Bothalia 38, no. 1 (2008): 31–37. http://dx.doi.org/10.4102/abc.v38i1.258.

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Euclea sekhukhuniensis Retief, Siebert A.E.van Wyk. a new species with a restricted range in Sekhukhuneland, South Africa, is described, illustrated and compared with other members of the genus. It is a gregarious geoxylic sufthitex forming large, much-branched colonies. The species is closely related to the small tree/shrub E. linearis Zeyh. ex Hiem from which it can be distinguished by its larger fruits, broader leaves and exclusively suffrutex growth form. Geographical range and habitat preference also differ between the two taxa. E. sekhukhuniensis is endemic to the Sekhukhuneland Centre o

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7

Manning, J. C., and P. Goldblatt. "New species of Iridaceae from the Hantam-Roggeveld Centre of Endemism, and the Bokkeveld, Northern Cape, South Africa." Bothalia 36, no. 2 (2006): 139–45. http://dx.doi.org/10.4102/abc.v36i2.352.

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Three new species of Iridaceae are described from the Bokkeveld and Roggeveld Escarpments. Ixia amethystina. a member of section Dichone, is endemic to the edge of the Roggeveld Escarpment. It shares an unusual, inclined spike that is nodding in bud with I. trifolia but is distinguished by its blackish purple (not yellow) anthers, narrower leaves 1.5-2.0 mm wide, medium-textured corm tunics that form a distinct neck at the base of the stem, and short style branches 2.0-2.5 mm long.Moraea marginata. another Roggeveld endemic, is a member of section Polvanthes and florally similar to M. fistulos

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8

Goldblatt, P., J. C. Manning, and R. Gereau. "Two new species of Babiana (Iridaceae: Crocoideae) from western South Africa, new names for B. longiflora and B. thunbergii, and comments on the original publication of the genus." Bothalia 38, no. 1 (2008): 49–55. http://dx.doi.org/10.4102/abc.v38i1.260.

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Babiana symmetrantha and B. virescens are two new species of section Teretifolieae of this southern African genus, now comprising 90 species. Babiana symmetrantha blooms in August and early September and is restricted to the summit of the Langberg which lies along the border of Namaqualand and the western Karoo near Loeriesfontein. One of only three species of the section with radially symmetric flowers, it is acaulescent and has linear, almost plane leaves covered with long hairs, a perianth tube 45-60(-75) mm long, and subequal, spreading tepals. Babiana virescens blooms in early winter, in

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9

Goldblatt, P., and J. C. Manning. "Systematics of the hypervariable Moraea tripetala complex (Iridaceae: Iridoideae) of the southern African winter rainfall zone." Bothalia 42, no. 2 (2012): 111–35. http://dx.doi.org/10.4102/abc.v42i2.12.

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Field and laboratory research has shown that the Moraea tripetala complex of western South Africa, traditionally treated as a single species, sometimes with two additional varieties, has a pattern of morphological and cytological variation too complex to be accommodated in a single species. Variation in floral structure, especially the shape of the inner tepals, degree of union of the filaments, anther length and pollen colour form coherent patterns closely correlated with morphology of the corm tunics, mode of vegetative reproduction, and in some instances capsule and seed shape and size. The

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10

Cheek, Michael D., and Neil R. Crouch. "Assessment of the invasive status of newly recorded cactus species in the central Tugela River basin." Bothalia 45, no. 1 (2015). http://dx.doi.org/10.4102/abc.v45i1.1953.

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Background: Current distribution information on cacti in the Tugela River basin in KwaZulu-Natal, South Africa, is scant. Accordingly, surveys in this region substantially improve our understanding of regional invasions by this succulent group. The identification of new or extended invasions requires (re)assessments of their invasion status and consideration of possible management interventions.Objectives: To identify and collect cacti either not previously recorded or poorly known in the central Tugela River basin, and to assess their invasion status.Method: A 40 km section of tertiary road w

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