Male gametes are found in pollen grains and produced in the anthers of the flower. Female gametes are found in ovules and produced in the ovary of the flower.
According to the US Department of Agriculture, pollination occurs when the male part of the flower — the anther — releases ...
The anthers of normal tobacco plants (left) produce and shed abundant amounts of pollen; plants with the mitochondrial gene deletion (right) have malformed anthers that produce no pollen.
High-speed video showed that pollen grains from exploding flowers functioned like missiles to knock existing pollen away. “It’s almost like there’s a division of labor for pollen.
They started by depositing grains of fluorescent-tagged pollen onto the beak of a hummingbird skull, then counting the number of grains present. Next, that beak was inserted into a Hypenea ...
The winners of the 2024 Nikon Small World Photomicrography Contest bring an incredible look at the miniature details that ...
The slow motion footage and images here capture the catapult-like mechanism of a Hypenea macrantha flower when a the bill of a hummingbird's skull is inserted. It clearly shows how the explosive ...
Scientists from South Africa and Brazil have provided empirical evidence that pollen grains of rival plants may compete with one another for space on pollinators, thus influencing whose pollen is ...