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Distribution ofC. grandiflora, C. schliebenii, and species of theCoccinia rehmanniiclade. Bright blue (southern Africa) = C. rehmannii, pale blue = C. trilobata, blackish blue = C. microphylla, ice-blue = C. abyssinica, dark blue = C. megarrhiza. Bright yellow = C. schliebenii, pale yellow = C. grandiflora.
schliebenii, which occur in (rain-) forests of East Africa (Figure
4b and 7), while their widespread relative C.
The Coccinia rehmannii clade, which started diversifying during
an arid period at the end of the Miocene 5.2 Ma (7.9 - 2.8 95% HPD)
ago (Figure 4a), comprises five species (Figure 7: blue dots) and
two biome switches (Figure 4b).
grandiflora (Figure 7), fitting with forest expansion during
Pleistocene interglacials that likely reconnected most forest
Each pair comprises morphologically similar species with partly
overlapping ranges (Figure 5 and 7).
in southeastern Sudan (Figure 7), which have similar amounts of
precipitation, probably reflects long-distance seed dispersal by
birds [36, 37], rather than remnant populations from a once
Coccinia species of the rehmannii clade and other dry-adapted
species occur on either side of the Miombo belt (with 3 - 6 months
of aridity), but are absent from the belt itself (Figure 7).
Holstein, Norbert; Renner, Susanne SJournal: BMC Evolutionary Biology
Issue 1DOI: 10.1186/1471-2148-11-28Published: 2011-12-01Institution(s):
University of Munich (LMU)
This image is from the article titled "A dated phylogeny and collection records reveal repeated biome shifts in the African genus Coccinia (Cucurbitaceae)"
(from BMC Evolutionary Biology) which is copyrighted by Holstein and Renner; licensee BioMed Central Ltd. For more information on the
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