Common conifers are a type of tree that are characterized by their needle-like leaves and woody cones. The most common conifers are the PINE, FIR, and CEDAR trees. PINE trees have four letters in their name and are known for their tall, straight trunks and long needles. FIR trees have three letters in their name and are known for their soft, flat needles and pyramid-shaped crowns. CEDAR trees have five letters in their name and are known for their fragrant wood and drooping branches.