Zanthoxylum americanum Mill.

\UT- VS
The New York Botanical Garden
Plants of U.S.A.
Rutaceae Zcmthoxylum americanum Mill.
det. M. Nee, 2009
WISCONSIN, Richland Co., along Hwy. 56, 9.3 km (by air)
ESE of Viola, vicinity of parking area and area for piling
crushed limestone gravel, just downhill from the quarry.
T 12N;R2 W; SEVi NEtt sect. 25.
43°29’19”N, 90°33’20”W. alt. 320 m.
N-facing pastured slope with young stand of trees, Ulmns
rubra, U. americana, Acer negundo, Dicentra cucullaria,
Arisaema canadense, Arisaema triphyllum, Zanthoxylum
americanum, Viola sororia, V. pubescens.
Patch of shrubs in fencerow at edge of woods, to 4 m. tall,
10 cm. in diameter. Male; flowers yellow-green; anthers
yellow.
03788164
Coll.: M. Nee 56257
14 May 2009
03788164