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Pollen wall development in flowering plants.
TLDR
This review integrates ultrastructural and developmental findings with recent models for self-assembly in an attempt to understand the origins of the morphological complexity and diversity that underpin the science of palynology.
Pollen Characters in Relation to the Delimitation of Myrtales
TLDR
Pollen grains representative of the Lythraceae, Punicaceae, Sonneratiaceae, Trapaceae, Oliniaceae, Combretaceae, Alzateaceae, Penaeaceae, Crypteroniaceae, Melastomataceae, Myrtaceae and Onagraceae were examined with scanning (SEM) and transmission (TEM) electron microscopy.
POLLEN MORPHOLOGY AND THE RELATIONSHIPS OF CIRCAEASTER, OF KINGDONIA, AND OF SARGENTODOXA TO THE RANUNCULALES
The pollen of three monotypic genera, Circaeaster, Kingdonia, and Sargentodoxa has been examined by light and scanning electron microscopy and in the case of the last genus, also by transmission
Ultrastructure of pollen exine in centrospermous families
TLDR
All families have close pollen morphological relationships, with close morphological similarities of the first ten families enumerated above, i.e., those containing betalains.
Transfer of material through the microspore exine - from the loculus into the cytoplasm.
Our results and those we review indicate that the exine has a great capacity for modifications that enable nutrients to pass through from the anther loculus to the microspore cytoplasm. Avenues of
Pollen morphology in relation to pollinators in Papilionoideae (Leguminosae)
TLDR
The surface sculpturing of the pollen of some species of the taxonomically widely separated genera Harpalyce, Camoensia, Millettia, and of the monotypic Dahlstedtia, which have large red or white flowers adapted for pollination by birds or bats, is coarsely rugulate or verrucate.
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