What is a pinus?

Pinus is the genus name of a type of coniferous evergreen tree, commonly known as pine trees. There are around 115 different species in this genus. Here are some of the them: * Pinus palustris - the longleaf pine * Pinus taeda - the Loblolly pine * Pinus virginiana - the Virginia pine * Pinus glabra - the spruce pine * Pinus contorta - the Lodgepole pine