Artificial intelligent assistant

sorrel-tree

ˈsorrel-tree
  [sorrel n.1]
  The sourwood or elk-tree of North America, Oxydendrum arboreum (Andromeda arborea).

1687 Phil. Trans. XLI. 152 The Sorrel-tree bears a Leaf something like a Laurel. 1717 Petiveriana iii. 247 Sorrel or Sowre-tree. Because its Leaves have that Taste; some are a Foot diameter. 1760 J. Lee Introd. Bot. App. 327 Sorrel-tree, Andromeda. 1821 W. P. C. Barton Flora N. Amer. I. 107 The sorrel tree itself, however, degenerates into a shrub. 1866 Treas. Bot. 472/1 The leaves of Eubotrys arborea have an acid flavour, whence the name of Sorrel-tree.

Oxford English Dictionary

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