What Plant Taxa are Covered?
Trees are divided into two broad classes, usually referred to as “hardwoods” and “softwoods.” Softwood: The term softwood is a general term for trees that produce cones (Gymnosperms), which usually have narrow, needle-shaped leaves and are evergreen. The term originated as a description of the hardness of the wood, although there are some hard softwoods like Heart Pine (Yellow Pine Group, Pinus spp.). Click here to view Softwood Key. Hardwood: The term hardwood is a general term for flowering trees (Angiosperms) that usually have broad leaves that are shed (deciduous) and produce fruits. The term originated as a description of the hardness of the wood, although there are some soft hardwoods like Balsa (Ochroma spp.). Most imported tropical woods are hardwoods. Click here to view Hardwood Key. What Methods Were Used to Create the Type Collection? Wood Sample Acquisition Samples of dry, dead wood were extracted from branches or trunks of botanically identified trees, shrubs and vines on
