For many years, Charles Darwin was haunted by flowers. In 1859, the naturalist published his most famous work, On the Origin of Species, the book that is generally regarded as the foundation of ...
Insect pollination is a decisive process for the survival and evolution of angiosperm (flowering) plants and, to a lesser extent, gymnosperms (without visible flower or fruit). There is a growing ...
Gymnosperms, of which there are around 1,026 species 3, are vascular plants, meaning that they contain a tubular tissue network that transports water and nutrients, and provides mechanical support.
A defining feature of angiosperms is double fertilization involving the female gametophyte central cell and formation of a nutrient-storing tissue called endosperm. The route for the evolutionary ...
Gymnosperms, like this Colorado blue spruce, are a group of nonflowering plants that emerged several hundred million years before flowering plants, or angiosperms, entered the evolutionary history of ...
The fossil includes a leafy branch, physically connected fruit and flower bud, which suggests angiosperms were present in the Jurassic period (201.3 million to 145 million years ago). Angiosperms are ...
WASHINGTON, April 24 (Reuters) - Flowering plants - from corn, wheat, rice and potatoes to maple, oak, apple and cherry trees as well as roses, tulips, daisies and dandelions and even the corpse ...
ARGUABLY the world’s weirdest plant, Welwitschia mirabilis is a tangled mass of shredded, fraying leaves in the Namib desert. For a thousand years, perhaps more, it grows just two long leaves, which ...
Researchers have uncovered the earliest example of a flower bud in a 164 million-year-old plant fossil in China. The discovery firmly pushes back the emergence of flowering plants into the Jurassic ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results