Solanaceae
Potato Family
8 genera
18 species
4 subspecies and varieties
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Datura stramoniumjimsonweed
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Waste places and roadsides, often in dry soil.
Origin: Introduced from Central and South America
Flowers: June-August
Growth Duration: Annual
Datura wrightiijimson weed, sacred thorn apple
Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington to California, east across most of North America to the Atlantic Coast.
Habitat: Disturbed, dry, open areas, roadsides, and waste places.
Origin: Introduced from Mexico
Flowers: June-August
Growth Duration: Annual
Hyoscyamus nigerhog's bean, black henbane
Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington to Oregon, east across much of North America to the Atlantic Coast.
Habitat: Roadsides and waste places.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
Lycium barbarummatrimony-vine
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Disturbed ground.
Origin: Introduced from Eurasia
Flowers: June-September
Growth Duration: Perennial
Lycium chinenseChinese wolfberry
Distribution: Occurring on both sides of the Cascades crest in Washington; sporadically distributed across North America.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Asia
Flowers: May-July
Growth Duration: Perennial
Nicotiana acuminatamanyflower
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada.
Habitat: Sandy or gravelly stream banks.
Origin: Introduced from South America
Flowers: August-October
Growth Duration: Annual
var. acuminata – wild tobacco
Nicotiana attenuatacoyote tobacco
Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to California, east to the Rocky Mountains and Texas.
Habitat: Dry, open plance, especially dry, sandy bottom lands.
Origin: Native
Flowers: June-September
Growth Duration: Annual
Physalis grisealow hairy ground cherry, strawberry-tomato
Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to California, also in Utah; more widespread in the central and eastern U.S.
Habitat: Fields, roadsides, wastleots, and other disturbed areas.
Origin: Introduced from eastern North America
Flowers: July-September
Growth Duration: Annual
Physalis longifoliaground-cherry, long-leaved ground-cherry, wild tomatillo
Distribution: Occurring chiefly east of the Cascades in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Weed of cultivated fields and waste places.
Origin: Both native and introduced
Flowers: June-September
Growth Duration: Perennial
var. longifolia – ground-cherry, long-leaved, wild tomatillo
Solanum americanumAmerican black nightshade
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east along the southern border of the U.S. to the Atlantic Coast.
Habitat: Disturbed open areas, roadsides, waste ground.
Origin: Introduced from Europe
Flowers: July-September
Growth Duration: Annual, Perennial
Solanum carolinensehorse-nettle
Distribution: Occurring east of the Cascades crest in Washington, where historically, sporadically introduced; Washington to California, east across much of North America to the Atlantic Coast.
Habitat: Fields, roadsides, orchards, wastelots, and other disturbed areas.
Origin: Introduced from the southeastern U.S.
Flowers: June-August
Growth Duration: Perennial
Solanum dulcamarafelonwort, bittersweet nightshade, climbing nightshade
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Thickets, clearings and open woods, usually in moist soil
Origin: Introduced from Eurasia
Flowers: May-September
Growth Duration: Perennial
Solanum elaeagnifoliumwhite horse-nettle, silver-leaf nightshade
Distribution: Occurring east of the Cascades crest in southeastern Washington; Washington to California, east across the southern half of the U.S. to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Mexico and eastern United States
Flowers: June-August
Growth Duration: Perennial
Solanum lycopersicumtomato
Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to northwestern Oregon; escaping cultivation but seldom establishing in other areas of North America.
Habitat: Sunny, moist, open, disturbed areas.
Origin: Introduced from South America
Flowers: May-October
Growth Duration: Annual
Solanum nigrumEuropean black nightshade
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east in scattered locations across North America to the Atlantic Coast.
Habitat: Fields, roadsides and other disturbed sites, especially in moister areas; often in urban and suburban areas.
Origin: Introduced from Europe
Flowers: July-November
Growth Duration: Annual
ssp. nigrum – European black nightshade
Solanum physalifoliumhairy nightshade
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Fields, roadsides, thickets, wastelots, and other disturbed areas.
Origin: Introduced from South America
Flowers: May-October
Growth Duration: Annual
var. nitidibaccatum – ground-cherry nightshade
Solanum rostratumbuffalo bur, horned nightshade
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Roadsides and other disturbed areas, often where dry.
Origin: Introduced from central US
Flowers: June-September
Growth Duration: Annual
Solanum triflorumcut-leaf nightshade
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Weedy native in fields and roadsides, often in undisturbed sites at low to moderate elevations.
Origin: Introduced from South America
Flowers: July-August
Growth Duration: Annual