When the world's first flower sprouted about 140 million years ago, it was bisexual, possessing both male and female reproductive parts, according to the researchers who virtually reconstructed the ...
This video segment adapted from NOVA explains how flowers play a central role in the reproductive cycle of plants. Their striking array of colors, patterns, fragrances, and nectar all require lots of ...
In some deserts of the world, a series of heavy rains can trigger many species of plant to flower at the same time. Beneath Death Valley lies a massive seed bank of desert wildflowers and when heavy ...
When we think about plants and trees, we mostly focus on their beauty and the shade they provide. Plants are incredibly diverse when it comes to their reproductive strategies. Most plants have flowers ...
We now know what the ancestor of today’s flowers looked like, thanks to scientists who used computer models to re-create the plant that lived 140 million years ago. Before now, we didn’t understand ...
Two groups of plant molecular biologists have long studied how pollen tubes and pistils, the male and female parts of flowers, communicate to achieve fertilization in plants. Now they report that they ...