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Bransford, W.D. and Dolphia
Solanum americanum Mill.
American black nightshade
Synonym(s): Solanum americanum var. nodiflorum, Solanum americanum var. patulum, Solanum caribaeum, Solanum fistulosum, Solanum hermannii, Solanum linnaeanum, Solanum nigrum var. americanum, Solanum nigrum var. virginicum, Solanum nodiflorum, Solanum sodomeum
USDA Symbol: soam
A smooth plant with few-flowered lateral clusters (umbels) of small, white, star-like, drooping flowers.
This native species often appears in open ground. Other similar species with small white flowers include Cut-leaved Nightshade (S. triflorum), with deeply dissected leaves, that occurs in Minnesota, Iowa, Kansas, and westward, and Hairy Nightshade (S. villosum), with very hairy stems and yellow or red berries.
Bloom InformationBloom Time: Jun , Jul , Aug , Sep , Oct , Nov
, WA Native Distribution:
New England south to northern Florida; west to eastern Texas; north to North Dakota. Native Habitat:
Cultivated and disturbed areas, open woods.
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2007-01-01
Research By: TWC Staff