A few wood Types:
Heartwood - older, nonliving wood within the heart of the tree
Sapwood - soft, outer layers of recently formed wood between the heartwood and the bark (contains functioning vascular tissue of tree)
Black Walnut: Dark brown wood with wavy and curly grain, colors of light yellow brown to dark chocolate brown and purplish black. Found in the United States.
Bubinga: Heartwood ranges from a pinkish red to a darker red brown with very dark streaks, very fine texture and interlocked grain, often called African Rosewood. Found in Africa.
Myrtle: Light brown to gray or live with varied grain, figured wood is common. Found in California and Oregon, USA.
Cocobolo: Red to orange with variegated black striping. Found in Mexico, Nicaragua, and Panama.
Oak: Few trees have a wider geographical range than the Oak. Very dense, ranging in colors from almost white to a creamy red, it has fairly large pores. Found in the USA.
Oregon White Oak: Has a light to medium brown color with medium-to-large pores and a fairly coarse grain. Found in the Pacific Northwest, USA.
Madrone: Tends to be a cream or pinkish brown color but also may have dark red patches, known for its burl veneer which has many closely-packed clusters of knots and swirled grain. Found on the West Coast, USA.
Maple: Unlike most other hardwoods, the sapwood of maple lumber is most commonly used rather than its heartwood. sapwood color ranges from almost white to a light reddish brown, while the heartwood is a darker brown, closed pores and a fine texture. Pacific Northwest, USA.
Birds Eye Maple: Creamy white to brown with birds eye figure. Found in USA.
Quilted Maple: This burl comes in a variety of light to darker browns and sometimes even a wild pink orange. Found in Oregon, USA.
Pecan: Heartwood tends to be light to medium brown with a red hue. Found in Texas, USA and Mexico.
Aromatic Cedar: Soft wood with aroma that is a natural moth and insect repellent. Found in USA and Canada.
Cherry: Hard, straight grained with firm texture, reddish brown to deep red, naturally darkens with age. Found in USA and Canada.
Peruvian Walnut: Tends to be darker in color than walnut species from elsewhere, with a deep chocolate brown color, sometimes with a purplish hue and streaks of lighter-colored wood throughout, medium to coarse texture and usually straight grain. Found in Peru.
Padauk: Medium to hard wood, deep orange red that ages to a deep orange brown, moderately course grain with straight to interlocking grain patterns. Found in Africa.
Purpleheart: Medium to hard wood with fairly straight grain and moderately coarse texture, bright purple when cut, darkening to a brownish purple with exposure. Found in Central and South America.
Koa: Moderately heavy wood ranging in color from golden orange to a deep reddish brown, famous for its ribbon grain and being the largest native Hawaiian tree. Found in Hawaii, USA.
Redwood: Very durable regarding decay resistance, typically straight grain with a heartwood ranging from light pinkish brown to a deep reddish brown. Found in California and Oregon, USA.
Zebrawood: Medium to heavy hardwood with coarse grain texture, light tan to golden yellow with streaks of dark brown to black. Found in Africa.