Sassafras is a genus composed of three species native to North America [1], China [1] and Taiwan [1]. The name sassafras is a Native American name used by the Spanish and French in Florida in the middle of the 16th century. In 1577, the use of sassafras by Native Americans was reported and in 1587, Sir Walter Raleigh brought it back to England from the Virginia Colony. In the early 17th century (1602–1603), several ships were dispatched from England to the colonies to collect sassafras roots; the colonists used the wood to build forts. These forays were known as the Great Sassafras Hunts.
Other Common Names: ague-tree, black ash, cinnamon wood, common sassafras, file- gumbo, gumbo-file, red sassafras, sasafras, sassafac, sassafrac, sassafras, sassafrasso, saxifrax, saxifrax tree, smelling-stick, wah-en-nah-kas, white sassafras.
Distribution: Sassafras is native to North America from Maine through Ontario, Michigan, Iowa, and Kansas, to Florida and Texas.
The Tree: The tree can reach a height of 90 ft (27 m) and a diameter of 5 ft (1.5 m). The leaves vary in shape from simple (entire) to mitten-shape to tri-lobed on the same tree. Sassafras produces greenish-yellow flowers in the spring and bright red, yellow, and orange foliage in the fall. It has thick, dark red-brown bark that is deeply furrowed. Trees are either male or female, although the flowers may appear perfect. The fruits are olive-shaped to spherical, with a dark skin and thin flesh. Sassafras is a pioneer species, the first to invade abandoned fields. It spreads asexually by root runners, forming small groves of the tree. Sassafras grows alongside persimmon, oak, sweetgum, dogwood, ironwood and pawpaw.
General Wood Characteristics: Sassafras heartwood is pale brown to orange brown, resembling ash or chestnut; the sapwood is a narrow yellowish-white. The wood is coarse- grained, straight, brittle and soft, with a spicy aromatic odor. Sassafras is a ring-porous species.
Weighta |
|
|
|
Moisture content |
Specific gravity |
Weight |
|
lb/ft3 |
kg/m3 |
||
Green |
0.42 |
44 |
705 |
12% |
0.46 |
31 |
497 |
Ovendry |
0.47 |
NA |
NA |
aReferences: specific gravity, green and 12%, (98); specific gravity, ovendry (59); weight, (59).
Mechanical propertiesa
Property |
Green |
Dry |
|
|
MOE |
0.91 x 106 lbf/in2 |
6.274 GPa |
1.12 x 106 lbf/in2 |
7.722 GPa |
MOR |
6.00 x 103 lbf/in2 |
41.370 MPa |
9.00 x 103 lbf/in2 |
62.055 MPa |
C| | |
2.73 x 103 lbf/in2 |
18.823 MPa |
4.76 x 103 lbf/in2 |
32.820 MPa |
C ⊥ |
0.37 x 103 lbf/in2 |
2.551 MPa |
0.85 x 103 lbf/in2 |
5.861 MPa |
WML |
7.1 in-lbf/in3 |
48.955 kJ/m3 |
8.7 in-lbf/in3 |
59.987 kJ/m3 |
Hardness |
520 lbf |
2,312.96 N |
630 lbf |
2,802.24 N |
Shear| | |
0.95 x 103 lbf/in2 |
6.550 MPa |
1.24 x 103 lbf/in2 |
8.549 MPa |
aReference (98) except hardness (59).
Drying and shrinkagea
Percentage of shrinkage (green to final moisture content)
Type of shrinkage 0% MC 6% MC 20% MC
Tangential 6.2 5.0 2.1
Radial 4.0 3.2 1.3
Volumetric 10.3 8.2 3.4
aReferences: 0% MC, (98); 6% and 20% MC, (90).
Kiln drying schedulea
Condition |
4/4, 5/4, 6/4 |
8/4 |
10/4 |
12/4 |
16/4 |
Standard |
T8-D4 |
NA |
NA |
NA |
NA |
aReferences (6, 86). |
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Working Properties: Sassafras is easily worked and takes a finish well. It glues well and holds screws better than nails.
Durability: Sassafras is very resistant to heartwood decay in exposed, damp conditions, making it good for fence posts and the sills of houses.
Preservation: No information available at this time.
Uses: Lumber, furniture, posts, fence rails and posts, kindling, boxes, cooperage (slack), general millwork, small boats, oil from root bark, colonial dye (orange) from bark.
Toxicity: No information available at this time. Additional Reading: 13, 29, 55, 68, 74.
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