The branches of young trees grow horizontally from the stem.

The grayish brown stems root at nodes as they grow horizontally along the ground.

The other, the leptomorph rhizome, is thin and grows horizontally.

The flower stalks grow either horizontally from the base of the plant or descend, often for great distances.

The normally tall trees have been trained to grow horizontally so their new growth can be easily harvested.

This opens the way for new roots, most of which grow horizontally and near the surface.

The stem usually grows horizontally or slightly below ground and is called the rhizome.

Many shoots develop from its stem, which sometimes grows horizontally.

These plants have panicles which grow horizontally along the ground.

He simply had not expected it to grow horizontally.