Xanthoxylum americanum mill. (Rutaceae)

Common Names
Pricklyash, American pricklyash, common pricklyash, northern pricklyash, pellitory bark, toothache bush, toothache tree, yellow wood.

A shrub or small tree 5 to 10 feet in height. Leaves are alternate and compound, with 5 to 11 leaflets. Stems and petioles are often prickly. Flowers are greenish-white, small and inconspicuous. Fruit is a reddish, globular to elliptic aromatic capsule.

Flowering Period
April to May.

Rich woods and riverbanks.

Bark of stem in spring and fall, and fruit when ripe.

Preparations made from the bark of this tree are reportedly used as a sudorific or diaphoretic, tonic, and antispasmodic. The fruit has some flavoring qualities also.

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