Scanning electron micrographs of Cunoniaceae pollen. A± C ...
网页We first examined pollen grains from 21 species with light, scanning electron, and transmission electron microscopy, to illustrate pollen diversity within the COM clade and Zygophyllales.
Extending beyond Gondwana: Cretaceous Cunoniaceae from …
网页2022年1月18日 · Cunoniaceous fossil pollen and wood have been recovered from the Late Cretaceous (Santonian–Maastrichtian) of Patagonia and Antarctica (Cranwell, 1959; Askin, 1992; Baldoni & Askin, 1993; Poole et al., 2000a, 2003) and at the onset of the Cenozoic Cunoniaceae were diverse in South America and Australia (Holmes & Holmes, 1992; Barnes & Hill ...
(PDF) Pollen morphology of Brunellia (Brunelliaceae) and related …
网页Pollen morphology of Brunellia (Brunelliaceae) and related taxa in the Cunoniaceae
Cunoniaceae - an overview | ScienceDirect Topics
网页Conifers still make up 50% of wood assemblage and are dominated by Podocarpoxylon with minor araucarian and cupressaceous wood (Cantrill and Poole, 2005). The pollen record yields a diversity of grains including Phyllocladites mawsonii (Lagarostrobus type) and other Podocarpaceae (Barreda et al., 1999).
Cunoniaceae in the Cretaceous of Europe: Evidence from Fossil …
网页2001年1月1日 · Cunoniaceae pollen ranges from 16 to 80 % in the Paleocene and from 1 to 17 % in the Eocene ( Macphail et al ., 1994 ). While the importance of the Cunoniaceae decreased in the
网页2023年12月16日 · Our findings indicate: 1) the diversification of Cunoniaceae 86 was well underway during the Cretaceous; 2) Ceratopetalum and crown Cunoniaceae have a 87 biogeographic history in the Northern Hemisphere; and 3) the historical distributions of other 88 important PARLs may have extended beyond Gondwana in …
网页These fossils are the first unequivocal evidence of crown Cunoniaceae from the Cretaceous of North America, indicating a more complicated biogeographical history for this important Gondwanan family.
Map showing the approximate extant geographic distribution of ...
网页The number of perianth parts is doubled and the in situ pollen is tricolporate, with a surface more like that of other Cunoniaceae outside Schizomerieae, such as Davidsonia or Weinmannia.
The emergence of core eudicots: new floral evidence from the …
网页2016年12月28日 · Flowers with a floral cup, heteromerous organization, tricolporate, rugulate-tectate pollen and an apocarpous gynoecium are common at this level of angiosperm evolution, including in certain Rosaceae, and …
Weinmannia - Global Pollen Project - Global Pollen Project
网页Cunoniaceae Species. Weinmannia madagascariensis; Taxonomic Completion. 0.85%. 1 of 117 accepted Species Global Pollen Project UUID 67df54c0-4494-4f5d-b22d-772c74998974 ... The Global Pollen Project has received funding from the Natural Environment Research Council of the United Kingdom, and …
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