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17 results for “Greater Cape Floristic Region”
Linked collectors and determiners for: Three new species in the genus Ficinia (Cyperaceae, tribe Cypereae) from the Greater Cape Floristic Region of South Africa.
Natural history specimen data linked to collectors and determiners held within, "Three new species in the genus Ficinia (Cyperaceae, tribe Cypereae) from the Greater Cape Floristic Region of South Africa". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/0be3f6b9-593a-4740-813f-be89e24ef2fd">https://bionomia.net/dataset/0be3f6b9-593a-4740-813f-be89e24ef2fd</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/0be3f6b9-593a-4740-813f-be89e24ef2fd">https://gbif.org/dataset/0be3f6b9-593a-4740-813f-be89e24ef2fd</a>. Formatted as a Frictionless Data package.
Leaf margins in a deciduous lineage from the Greater Cape Floristic Region track climate in unexpected directions
<p>Premise of the study: The functional significance of leaf margins has long been debated. In this study we explore influences of climate, leaf lobing, woodiness, and shared evolutionary history on two leaf margin traits within the genus Pelargonium.</p> <p>Methods: Leaves from 454 populations of Pelargonium (161 species) were collected in the Greater Cape Floristic Region and scored for tooth presence/absence and degree of lobing. Tooth density (number of teeth per interior perimeter distance) was measured for a subset of these. We compared five hypotheses to explain tooth presence and density using mixed effect models.</p> <p>Key results: Tooth presence/absence was best predicted by the interaction of leaf lobing and mean annual temperature (MAT), but often in patterns opposite to the previous literature: species were more likely to be toothed with warmer temperatures. This was particularly the case for unlobed and highly lobed leaves. In contrast, tooth density was best predicted by the interaction of MAT and the season of most rain; density declines with temperature as consistent with expectations, but only in winter- rain dominated areas. Woody and non-woody species within Pelargonium both have similar associations between tooth presence/absence and MAT, contrary to the expectation that patterns within non-woody species would be insignificant.</p> <p>Conclusions: We conclude Pelargonium leaf margins show predictable responses to climate, but these responses are complex and can contradict those found for global patterns across plant communities.</p>
Phylogenetic endemism and ancestral area inference reveal historical refugia in the Greater Cape Floristic Region
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Leaf margins in a deciduous lineage from the Greater Cape Floristic Region track climate in unexpected directions
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FIGURE 2 in Three new species in the genus Ficinia (Cyperaceae, tribe Cypereae) from the Greater Cape Floristic Region of South Africa
FIGURE 2. Distribution of the three species mapped at the centroid of each quarter degree square. Symbols used for F. bolusiana (circle), F. stirtonii (triangle), F. swartruggensis (square).
FIGURE 3. Ficinia stirtonii. A. Habit. B. Leaf blade and sheath. C. Inflorescence. D in Three new species in the genus Ficinia (Cyperaceae, tribe Cypereae) from the Greater Cape Floristic Region of South Africa
FIGURE 3. Ficinia stirtonii. A. Habit. B. Leaf blade and sheath. C. Inflorescence. D. Glume. Artist: Kay-Leigh Kilian, based on A.M. Muasya & C.H. Stirton 5240 (BOL).
FIGURE 1. Ficinia bolusiana. A. Habit. B. Leaf blade and sheath. C. Inflorescence. D in Three new species in the genus Ficinia (Cyperaceae, tribe Cypereae) from the Greater Cape Floristic Region of South Africa
FIGURE 1. Ficinia bolusiana. A. Habit. B. Leaf blade and sheath. C. Inflorescence. D. Glume. Artist: Kay-Leigh Kilian, based on A.M. Muasya & C.H. Stirton 5908 (BOL).
FIGURE 4. Ficinia stirtonii photographs. A, B. Habit. C. Rhizome. D in Three new species in the genus Ficinia (Cyperaceae, tribe Cypereae) from the Greater Cape Floristic Region of South Africa
FIGURE 4. Ficinia stirtonii photographs. A, B. Habit. C. Rhizome. D. Inflorescence. Photographs by C.H. Stirton at Nuwekloof Pass.
FIGURE 5 in Two new species of Oxalis (Oxalidaceae) from the Greater Cape Floristic Region
FIGURE 5. Fluorescence histograms showing simultaneous analysis of a) O. filifoliolata and its closest relative O. flava (differing ~20% in their genome sizes); and b) O. carolina and morphologically most similar O. tomentosa (differing ~80% in their genome sizes).
FIGURE 1. Oxalis carolina. a in Two new species of Oxalis (Oxalidaceae) from the Greater Cape Floristic Region
FIGURE 1. Oxalis carolina. a. flowering individual in spring; b. bulb; c. sterile plant in autumn; d. pollen.
FIGURE 3 in Two new species of Oxalis (Oxalidaceae) from the Greater Cape Floristic Region
FIGURE 3. Phylogenetic placement of a) Oxalis carolina based on ITS and trnL-trnL-trnF sequence data; and b) O. filifoliolata based on ITS sequence data. All trees presented are Bayesian 50% majority-rule consensus trees. Numbers below the branches indicate Bayesian Posterior Probability values, numbers above the branches refer to Parsimony Bootstrap values. The new taxa are highlighted in larger, bold font. The shading in a) indicates the O. tomentosa alliance.
FIGURE 4. Oxalis filifoliolata. a in Two new species of Oxalis (Oxalidaceae) from the Greater Cape Floristic Region
FIGURE 4. Oxalis filifoliolata. a. illustration; b. flowering individual in its natural habitat; c. pollen.
Data from: Pleistocene range dynamics in the eastern Greater Cape Floristic Region: a case study of the Little Karoo endemic Berkheya cuneata (Asteraceae)
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Biodiversity across the Greater Cape Floristic Region
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FIGURE 2 in Two new species of Oxalis (Oxalidaceae) from the Greater Cape Floristic Region
FIGURE 2. Geographic distribution of Oxalis carolina (circle) and O. filifoliolata (diamond).
Biodiversity Survey of the Cape - Mapping Dissolved Organic Carbon sources and cycling in aquatic biodiversity hotspots across South Africa's Greater Cape Floristic Region
This dataset includes the spectral (absorption and fluorescence) characteristics of colored dissolved organic matter (CDOM) coincident with field measurements of hyperspectral water remote sensing reflectance for improved remote sensing algorithm development. Samples were collected within three ecologically distinct but socio-economically vital bays surrounding South Africa's Greater Cape Floristic Region: St Helena Bay, Walker Bay, and Algoa Bay. Data from this and other elements of the BioSCape project can be found via the earthdata portal https://search.earthdata.nasa.gov/search?q=bioscape&fpj=BioSCape.
FIGURE 5. Ficinia swartruggensis. A. Habit. B. Leaf blade and sheath. C. Inflorescence. D in Three new species in the genus Ficinia (Cyperaceae, tribe Cypereae) from the Greater Cape Floristic Region of South Africa
FIGURE 5. Ficinia swartruggensis. A. Habit. B. Leaf blade and sheath. C. Inflorescence. D. Glume. Artist: Kay-Leigh Kilian, based on A.M. Muasya, I. Jardine & C.H. Stirton 4594 (BOL).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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