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Most gymnosperms are wind-pollinated, but some are insect-pollinated, and in Ephedra (Gnetales), both wind pollination and insect pollination occur. Little is, however, known about mechanisms and evolution of pollination syndromes in gymnosperms.
Apr 1, 2015
May 19, 2017 · The prevailing state in Ephedra, and most gymnosperms, is wind pollination. It is therefore surprising that one species, E. foeminea, is insect- ...
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Most gymnosperms are wind-pollinated, but some are insect-pollinated, and in Ephedra (Gnetales), both wind pollination and insect pollination occur.
Aerodynamics and pollen ultrastructure in Ephedra
bsapubs.onlinelibrary.wiley.com › doi › ajb.1400517
Mar 1, 2015 · In anemophilous Ephedra species, ovulate organs create an aerodynamic microenvironment that directs airborne pollen to the pollination drops. In ...
Mar 16, 2017 · The prevailing state in Ephedra, and most gymnosperms, is wind pollination. It is therefore surprising that one species, E. foeminea, is insect- ...
In this thesis pollination mechanisms in Ephedra (Gnetales) are investigated by field experiments and observations and aerodynamic simulations and studies of ...
Aug 18, 2015 · Ephedra pollen is large, between 34 and 81 µm in its longest (equatorial) diameter (Steeves & Bar- ghoorn 1959), and, as in remaining Gnetales, ...
The Ephedra lineage can be traced at least to the Early Cretaceous. Its characteristically polyplicate pollen is well-represented in the fossil record.
Several investigations have focused on mature pollen of Ephedra; however, little is known about pollen ontogeny. This article is the first to describe the ...
Most gymnosperms are wind-pollinated, but some are insect-pollinated, and in Ephedra (Gnetales), both wind pollination and insect pollination occur.
Missing: Pollen | Show results with:Pollen
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