Spruce Tree

Spruce Trees are a type of tree in Minecraft PE. Spruce trees are found commonly around Taigas, Spruce Forests, and Extreme Hills biomes.

Pine
Pine Spruce are found around spruce forests. These are grown with saplings as well.

Matchstick
Shaped like a matchstick, these trees spawn in forests as well. However, they cannot be grown.

Large
Found in taiga biomes, these trees are formed. They can be formed using a bone meal on 4 saplings in a 2 by 2.

Trivia

 * Before 0.8.0, spruce tree wood could only craft oak wood.