1.   Angel wings and other fibrous begonias grow upright and can attain impressive heights, especially if you do not cut them back.

2.   The protoplant, in turn, could stop depending on ocean currents for its nutrients and start evolving the structures and shielding to grow upright into the air.

3.   They grow upright and are almost architectural.

4.   He proposed the planting of certain species of trees that would grow upright so that they would not encroach onto the highway.

5.   Shrubs generally grow upright and are self supporting.