Don't miss the big stories. Like us on Facebook. Beneath the forest canopy, or overstory, of towering trees is a second layer of vegetation known as the understory. It is composed of shrubs, saplings, ...

Scientists have known for some time that trees not only have a sex, but can sometimes switch between sexes. But they haven’t always known why. Now, as The Washington Post’s Amy Ellis Nutt reports, a ...

I was up in the mountains this past weekend and got to visit with one of my favorite trees — the striped maple (Acer pensylvanicum). I did some googling and it turns out striped maples are a lot of ...

There’s a new champion in Baltimore. Not a sports team, a tree. Tucked amid a clump of loblolly pines in Druid Hill Park stands Maryland’s largest striped maple. Acer pensylvanicum, as scientists know ...

Although pollen has covered cars for weeks and allergy sufferers have been sneezing, we think of sex as being the realm of animals. But plant sex can be quite interesting, especially in species that ...

A striped maple tree forest. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information ...

These are male flowers, left, and female flowers on striped maple branches. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...