Page author: David Giblin
Solanum triflorum
cut-leaf nightshade
Specimens
Photos

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.

Flowers: July-August

Origin: Introduced from South America

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies

Description:
General:

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.

Accepted Name:
Solanum triflorum Nutt.
Publication: Gen. N. Amer. Pl. 1: 128. 1818.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Solanum triflorum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Solanum triflorum checklist entry.

OregonFlora: Solanum triflorum information.

E-Flora BC: Solanum triflorum atlas page.

CalPhotos: Solanum triflorum photos.

USDA Plants: Solanum triflorum information.

23 photographs:
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