Zanthoxylum americanum Mill.

The New York Botanical Garden
Plants of U.S.A.
Rutaceae Zanthoxylum 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 12 N; R 2 W; SEH NEl4 sect. 25.
43°29’19”N, 90°33’20”W. alt. 320 m.
N-facing pastured slope with young stand of trees, Ulmus
rubra, U. americana, Acer negundo, Dicentra cucullaria,
Arisaema canadense, Arisaema triphyllum, Zanthoxylum
americanum, Viola sororia, V. pubescens.
Patch of shrubs to 3 m. tall, 4 cm. in diameter. Female;
flowers yellow-green.
03788163