These ancient gymnosperms, now extinct, were the first plants to produce seeds, as we know them now, and the production of seeds was something of a major breakthrough in all of plant evolution.

However, all living gymnosperms shared the signature of an ancient duplication in the past more than 350 million years ago. More than 100 million years after that event, another duplication gave ...

The gymnosperms originated about 319 million years ago, in the late Carboniferous. It is a diverse cluster of plants, containing cycads, ginkgos and the shrub Mormon tea. By far the most abundant ...

Gymnosperms (Gymnospermae) are a group of seed-bearing plants with ovules borne on the edge or blade of an open sporophyll, the sporophylls usually arranged in cone-like structures. The other ...

But gymnosperms also comprise gnetales (like W. mirabilis), the palm-like cycads and ginkgo, also known as the maidenhair tree. When dinosaurs roamed Earth, they walked among the gymnosperms ...

This film explores gymnosperms, a class of non-flowering seed plants, primarily represented by conifers in North America. It discusses their unique reproductive processes, including the production ...

There are two main types of plants: flowering plants, known as angiosperms, and non-flowering plants, known as gymnosperms. The flower bud and fruit in the fossil are both clear indicators that F ...

"Therefore, it is necessary to define when a fossil insect can be considered a pollinating agent and thus establish a whole set of key characteristics that can also be observed generally in ...

Gymnosperms, cone-bearing plants such as conifers, allowed for wind distribution of pollen. This bisexual reproduction allowed for greater genetic combination and by the end of the Jurassic, the ...