Page authors: Don Knoke, David Giblin
Hyoscyamus niger
hog's bean, black henbane
Specimens
Photos

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.

Flowers: May-August

Origin: Introduced from Europe

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bees

Description:
General:

Coarse, poisonous, fetid biennial or annual up to 1 m. tall, with soft, sticky hairs throughout, but especially on the stem.

Leaves:

Leaves large, sessile, 5-20 cm. long and 2-14 cm. wide, with coarse, unequal, triangular lobes.

Flowers:

Inflorescence a terminal, one-sided, leafy-bracteate raceme; calyx urn-shaped, 2.5 cm. long, 5-toothed, with a network of veins, dry, persistent, enclosing the fruit; corolla pale greenish-yellow with a network of purple veins, funnel-shaped, 2.5-4.5 cm. long, the limb oblique, 5-lobed, 2.5-4.5 cm. wide; stamens 5, exerted, attached to the corolla tube alternate with the lobes; style solitary; ovary superior.

Fruits:

Capsule 2-celled, 1-1.5 cm. long, with a thickened lid.

Accepted Name:
Hyoscyamus niger L.
Publication: Sp. Pl. 1: 179-180. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Hyoscyamus niger in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Hyoscyamus niger checklist entry

OregonFlora: Hyoscyamus niger information

E-Flora BC: Hyoscyamus niger atlas page

CalPhotos: Hyoscyamus niger photos

20 photographs:
Group by