Results 201 to 210 of about 26,175 (244)
The mitochondrial genome of Phoebe Bournei highlighted the structure variation driven evolution in magnoliids. [PDF]
BMC Plant BiolZhao K +13 more
europepmc +1 more source
Anatomy and habitat shape the oxygen sensing machinery of angiosperms
Chirinos X +6 more
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Archaefructus – angiosperm precursor or specialized early angiosperm?
Trends in Plant Science, 2003With molecular analyses indicating that angiosperms are not closely related to any other extant seed plant group, information from fossils might provide the only basis for reconstructing their origin. Therefore the description of a new Early Cretaceous angiosperm, Archaefructus, placed as the sister of all extant angiosperms, has created much debate ...
Else Marie, Friis +3 more
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Science, 1974
Collections of well-preserved angiosperm flowers from the Middle Eocene of southeastern North America include a variety of morphological types. The first of these specimens to be studied extensively, a catkin, has yielded a great deal of structural information. Floral morphology, pollen morphology, and the nature of the peltate scales suggest that this
W L, Crepet, D L, Dilcher, F W, Potter
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Collections of well-preserved angiosperm flowers from the Middle Eocene of southeastern North America include a variety of morphological types. The first of these specimens to be studied extensively, a catkin, has yielded a great deal of structural information. Floral morphology, pollen morphology, and the nature of the peltate scales suggest that this
W L, Crepet, D L, Dilcher, F W, Potter
openaire +2 more sources
The Botanical Review, 1963
Haploids are interesting components of the range of genetically aberrant types that are found when cytogenetic investigations are made into many angiosperm species. As a consequence of their unique constitution, they offer new possibilities for the investigations of many cytological and genetical problems.
Gordon Kimber, Ralph Riley
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Haploids are interesting components of the range of genetically aberrant types that are found when cytogenetic investigations are made into many angiosperm species. As a consequence of their unique constitution, they offer new possibilities for the investigations of many cytological and genetical problems.
Gordon Kimber, Ralph Riley
openaire +1 more source
Polyploidy and angiosperm diversification
American Journal of Botany, 2009Polyploidy has long been recognized as a major force in angiosperm evolution. Recent genomic investigations not only indicate that polyploidy is ubiquitous among angiosperms, but also suggest several ancient genome‐doubling events. These include ancient whole genome duplication (WGD) events in basal angiosperm lineages, as well as a proposed ...
Douglas E, Soltis +9 more
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1968
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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