Ambrosia trifida L.

BOTANICAL

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The New York Botanical Garden
Plants of U.S.A.

Asteraceae

Ambrosia trlfIda L.
det. M. Nee, 1990

Wisconsin, Richland Co., 3 miles SE of
Richland Center.

T 10 N; R 1 E; NE-1/4 NE-1/4 sect. 35.

Weedy areas around farm buildings.

Annual, to 3 m. tall; stems to 3 cm. In
diam.; xylem to 7 mm thick around large
central pith. Inflorescence green, erect;
anthers yellow, with abundant pollen.

Voucher for wood specimen, MADtr 46589.

Coll.: M. Nee 38610	11 Aug. 1990

01884368