The researchers were able to date the seeds back to 365 million years ago, which makes them the second oldest winged seeds ever found. The plant was placed in the Alasemenia tria genus.

Samara are winged seeds, and the wafer-like seed cases of elm trees are distinctive, as well as tenderly edible. They appear in mid-spring, with each seed wrapped neatly in a soft chartreuse ...

Winged thistle is a winter annual, which means it generally establishes from seed in autumn, grows as a typical thistle rosette over winter, then develops an upright flower stem in spring, from which ...