Magnolia virginiana
Magnoliaceae
Sweetbay

The genus Magnolia contains about 80 species native to North America [8], West Indies [8], and Asia [50]. The genus Magnolia is dedicated to Pierre Magnol (16381715), professor of botany and medicine and director of the botanic garden at Montpellier, France. The name virginiana means “of Virginia.”

Other Common Names: arbre du castor, bat-tree, bay, bay-tree, beaver tree, big laurel, black lin, bullbay, cucumberwood, evergreen magnolia, Indian bark, laurel magnolia, magnolia, magnolia de virginie, magnolia virginiana, magnolier bleu, magnolier des marais, mountain magnolia, quinquina virginie, small magnolia, Southern magnolia, southern sassafras, southern sweetbay, swampbay, swamp laurel, swamp magnolia, swamp sassafras, sweet bay, sweetbay magnolia, sweet magnolia, Virginia magnolia, virginische magnolia, whitebay, white laurel.

Distribution: North America, along the coastal plain from Long Island, New Jersey, and Pennsylvania, south to Florida, west to Texas, and north to Arkansas and Tennessee. Also occurs in eastern Massachusetts.

The Tree: Sweetbay grows in wet, sandy soil along streams, bottom lands and swamps. It is deciduous and shrubby in the northern parts of its range, but evergreen in the south. Sweetbay is slow-growing and flowers in spring. It grows in association with redbay, maples, holly and loblolly bay. It reaches heights of 80 ft (24 m), with a diameter of 1.5 ft
(0.5 m). The gray to gray-brown bark is thin, smooth, and irregularly furrowed as a result of plates. The bark is also aromatic.

General Wood Characteristics: The wood is soft and pale brown, with a brown,
aromatic heartwood, and is straight grained.


Weighta                                     

                                 Weight       

Moisture         Specific     lb/ft3    kg/m3  
content           gravity                      

Green              0.42         NA       NA    

12%                 NA          29       465   

Ovendry            0.48         NA       NA    

aReference (90).                            




Mechanical propertiesa                            

Property       Green                 Dry            

MOE        NA      NA      1.64  106      11.308 GPa  
                           lbf/in2                    

MOR        NA      NA      10.92  103     75.293 MPa  
                           lbf/in2                    

C| |       NA      NA      5.68  103      39.164 MPa  
                           lbf/in2                    

C          NA      NA      0.56  103      3.861 MPa   
                           lbf/in2                    

WML        NA      NA      NA             NA          

Hardness   NA      NA      NA             NA          

Shear| |   NA      NA      1.68  103      11.583 MPa  
                           lbf/in2                    

aReference (90).                                  




Drying and shrinkagea                    

                Percentage of shrinkage   
                (green to final moisture  
                        content)          

Type of          0% MC     6% MC    20% MC  
shrinkage                                   

Tangential        8.3        NA       NA    

Radial            4.7        NA       NA    

Volumetric        12.9       NA       NA    

aReference (90).                         




Kiln drying schedulea                         

         4/4, 5/4,    8/4    10/4    12/4    16/4  
Conditio    6/4      stock   stock   stock  stock  
n          stock                                   

Standard   T10-D4    T8-D3    NA      NA      NA   

aReferences (6, 86).                          



Working Properties: It is easily worked and finishes well.

Durability: Rated as slightly or nonresistant to heartwood decay.

Preservation: No information available at this time.

Uses: Lumber, veneer, furniture, boxes and containers.

Toxicity: No information available at this time.

Additional Reading: 29, 55, 68, 74. 55, 66, 68, 74, 79. 28, 29, 42, 43, 44, 48, 50, 55, 56, 68, 72, 73, 74, 79, 92, 97, 102. 74, 75, 77, 99, 106. 101.