My friend's last name is Pine.

-pine

Sugar pines are the tallest and most massive pine trees in the world.

The maritime pines in the forest provide shade and beauty.

The jack pines in the forest are tall and slender.

The swamp pines towered over the marsh, creating a beautiful and eerie landscape.

The longleaf pines in the forest provide habitat for many species.

The silver pines stood tall and majestic in the forest.

The klinki pines in the forest are tall and majestic.

The Wollemi pines are a rare species of tree found in Australia.