Zanthoxylum americanum Mill.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Rutaceae
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Scientific Name
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Description
Species Description - Tall shrub, or rarely a small tree to 8 m, with prickly stems, paired pseudostipular prickles, and strongly aromatic foliage; lfls 5–11, oblong to elliptic or ovate, pubescent beneath at least when young; fls in sessile, umbel-like, precocious axillary clusters on branches of the previous year; sep none; pet yellow-green, fringed at the tip; ovaries 3–5; follicles stipitate, ellipsoid, 5 mm, the surface pitted; 2n=68, 136. Moist woods and thickets; s. Que. to e. N.D., s. to S.C., Ga., and Okla., but only irregularly e. of O. and nw. N.Y.
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Common Names
common prickly ash