Parthenium hysterophorus L.
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Authority
Britton, Nathaniel L. & Millspaugh, Charles F. 1920. The Bahama Flora.
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Family
Asteraceae
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Scientific Name
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Description
Species Description - Annual, strigose-pubescent or somewhat villous, usually much branched, 3-7 dm. high. Leaves ovate to oblong in outline, 1-2-pinnately parted into linear or lanceolate, toothed or pinnatifid segments, thin, and flaccid; heads numerous, 5-6 mm. broad; involucre saucer-shaped, its bracts concave, the outer ones rhombic, the inner broader; ray-flowers few; rays reniform, white, about 1 mm. wide; achenes obovate, about 1 mm. long.
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Discussion
Waste places and pine-lands, Andios. New Providence, Eleuthera to Watling's Island, Long Island and Inagua : Bermuda ; United States to continental tropical America ; West Indies. Santa Maria.
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Distribution
Andros. New Providence, Eleuthera to Watling's Island, Long Island and Inagua : Bermuda ; United States to continental tropical America ; West Indies. Santa Maria.
Andros Island Bahamas South America| New Providence Bahamas South America| Eleuthera Bahamas South America| Long Island Bahamas South America| Inagua Bahamas South America| Bermuda South America| United States of America North America| West Indies|