* Map courtesy of WikiMedia.org, it is release under the Creative Commons License.


The Oxydendrum Arboreum is commonly known as Lily-of-the-valley-tree, Sorrel-tree, as well as Sourwood

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Growing Regions

Sourwood grows in upland forests of the southeastern United States.  It is found from southern Pennsylvania, Ohio, and Indiana, to southeastern Louisiana and the panhandle of Florida.  It also grows in the mountainous regions of Kentucky and Tennessee and along the Atlantic Coast from North Carolina to Virginia.  The main range of sourwood lies between 30 and 40 degrees N. and 75 and 92 degrees W.  Sourwood reaches its largest size on the western slopes of the Great Smoky Mountains in Tennessee [9,30,32].


General Information

The currently accepted scientific name for sourwood is Oxydendrum arboreum (L.) DC. [21]. Oxydendrum is a monotypic genus [15]. There are no recognized subspecies, varieties, or forms.

Much of the information presented here is attributed to:
Coladonato, Milo. 1992. Oxydendrum arboreum. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available at USDA Forest Service.

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