The leaves of this species 201 million years ago had their net-like veins. They looked at the look old collections with new ...
The battles among plants have changed their stems and their veins. Leaves with more veins can carry more water to the chloroplasts, allowing the chloroplasts to make more sugar and the plants to ...
Both plantains have leaf veins that go down the length of the leaf, which is different to many broad-leaved species where leaf veins usually radiate out to the sides of leaves. The plantains tend not ...