sourwood
Oxydendrum arboreum
  • FAMILY: ERICACEAE
  • ALTERNATE COMMON NAME:
  • LEAVES: alternate, simple, deciduous, elliptic, up to 7” long, 1.5" to 3.5"wide; margins finely toothed; bristled along midrib; sour to taste
  • FLOWER: white, bell-shaped, 1/3”; in racemes 5 -10”, one-sided raceme, drooping from branch tips, resembles lily-of-the-valley; June-July
  • FRUIT: small, dry, persistent capsule, 3/8”, 5-celled
  • TWIGS: slender, zigzag, yellow-green, conspicuous lenticels; leaf scars half round with one raised bundle scare; terminal bud absent, lateral buds partially embedded in bark
  • BARK: silvery gray, furrowed, tinge of red, interlacing ridges
  • FORM: small tree, <50’, 10-12” dbh
  • HABITAT: moist, acid soils, slopes of mixed hardwoods; intermediate tolerance, sub-climax
  • WETLAND DESIGNATION: Facultative Upland (FACU): Usually occurs in non-wetlands, but may occur in wetlands of the Atlantic and Gulf Coast Plain Region
  • RANGE: southeast US
  • USES: very good deer browse; sprout profusely after cutting or fire; excellent honey; wood is of no commercial value
  • Best Recognition Features:
    1. sour-tasting leaves, finely toothed margins
    2. midrib with bristles
    3. fruit racemous and persistent