"Leaf veins" refer to the intricate network of small tubes or vessels found within a leaf. They help transport water, nutrients, and sugars to different parts of the leaf, ensuring its proper growth and function. Full definition
Flowers play a role in the diversification, the team says, but leaf veins help these plants become so abundant. (sciencemag.org)
Line the edges of each leaf with a brown eye pencil, and add a few leaf veins inside each one. (100percentpure.com)
But about 100 million years ago, newer species of angiosperms had doubled, tripled, and, ultimately, increased by 10-fold the number of leaf veins, the team reported online last week in Ecology Letters. (sciencemag.org)