Sentence examples for midvein from inspiring English sources

Each leaf has one unbranched midvein.

Soon after the cells of the marginal meristems begin to divide, procambial strands differentiate into the leaf from the stem bundles to form the midvein, or midrib.

When the radial (topmost aspect of the leaf) is short, the base becomes flattened because the marginal meristems (those on either side of the midvein) continue to expand outward.

There is no midvein, and veins are longitudinally parallel.

Only the midvein and some large lateral veins have any secondary growth.

Generally each leaf, or microphyll, is narrow and has an unbranched midvein, in contrast to the leaves of the ferns and seed plants, which generally have branched venation.

Each toothlike leaf has a single, unbranched midvein.

He spreads his legs so the female sees the erection, and he tears the leaf bit by bit down the midvein of the leaf, dropping the pieces as he detaches them.