A North American tree of the heath family with sour-tasting leaves. Most common in the southeastern US, it has drooping clusters of white bell-like flowers in early summer and bright red foliage in autumn. Also called sorrel tree.
- Oxydendrum arboreum, family Ericaceae.
- Eighty new trees will be planted, Kousa dogwood, Eastern redbud, downy serviceberry, sourwood, Yoshino cherry, and tulip poplar among them.
- I had gone to Hoyt to see a sourwood tree, which I was told I would find on the Wildwood Trail.
- Associated species were pignut and mockernut, hickories, black gum, red maple, sassafras, sourwood, and white ash.
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