Burke: Solanum mauritianum vs. Solanum triflorum

	Solanum mauritianum	Solanum triflorum
		cut-leaf nightshade
Habit		Fetid annual, branched from the base, the branches 1-6 dm. long, decumbent; herbage sparsely short-hairy.
Leaves		Leaves short-petiolate, pinnately lobed, the blade 2-5 cm. long and 1-3 cm. wide, the rachis about equal in length to the lobes.
Flowers		Inflorescence of several ascending, stout, few-flowered peduncles, 0.5-2.5 cm. long, attached along the stem or opposite the leaves, the pedicels drooping, clustered; calyx tube short, the 5 narrow lobes unequal, up to 6 mm. long at maturity, the tips reflexed; corolla white, rotate, 5-9 mm. wide, the 5 lobes deeply divided; stamens 5, the anthers prominent, yellow; style solitary; ovary superior.
Fruits		Fruit a greenish, globose berry, 9-14 mm. thick.

	Solanum mauritianum	Solanum triflorum
Flowering time		July-August
Habitat		Weedy native in fields and roadsides, often in undisturbed sites at low to moderate elevations.
Distribution	[BONAP county map]	Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast. [WildflowerSearch map] [BONAP county map]
Origin		Introduced from South America
Conservation status		Not of concern
Sibling taxa	S. americanum, S. carolinense, S. dulcamara, S. elaeagnifolium, S. lycopersicum, S. nigrum, S. physalifolium, S. rostratum, S. triflorum, S. tuberosum	S. americanum, S. carolinense, S. dulcamara, S. elaeagnifolium, S. lycopersicum, S. nigrum, S. physalifolium, S. rostratum, S. tuberosum
Web links	Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Solanum mauritianum

Solanum triflorum

cut-leaf nightshade

Habit

Fetid annual, branched from the base, the branches 1-6 dm. long, decumbent; herbage sparsely short-hairy.

Leaves

Leaves short-petiolate, pinnately lobed, the blade 2-5 cm. long and 1-3 cm. wide, the rachis about equal in length to the lobes.

Flowers

Inflorescence of several ascending, stout, few-flowered peduncles, 0.5-2.5 cm. long, attached along the stem or opposite the leaves, the pedicels drooping, clustered;

calyx tube short, the 5 narrow lobes unequal, up to 6 mm. long at maturity, the tips reflexed;

corolla white, rotate, 5-9 mm. wide, the 5 lobes deeply divided;

stamens 5, the anthers prominent, yellow;

style solitary;

ovary superior.

Fruits

Fruit a greenish, globose berry, 9-14 mm. thick.