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Montana Field Guide

Montana Field Guides

Black Henbane - Hyoscyamus niger
Other Names:  Stinking Nightshade

Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 0

Agency Status


External Links

General Description
Annual or biennial. Stems erect, usually branched, 25–100 cm. Herbage viscid-villous, especially on the stems and veins, malodorous, poisonous. Leaves winged-petiolate below to sessile above; blades ovate, 3–30 cm long, pinnately lobed to dentate, overlapping. Inflorescence a branched, leafy-bracted raceme. Flowers slightly irregular; calyx campanulate, 10–12 mm long, greatly expanded in fruit; corolla funnelform, yellowish with purple veins, the tube 15–30 mm long, the limb 20–25 mm wide with 5 unequal lobes. Fruit a globose capsule 1–2 cm long, enclosed by the veiny, glandular calyx (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
Introduced throughout much of temperate North America; native to Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 975

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see


  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Chadde, S.W. 1985. Initial recovery patterns of southwestern Montana foothill range. M.Sc. Thesis. Bozeman, MT: Montana State University. 103 p.
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p.
  • Web Search Engines for Articles on "Black Henbane"
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Citation for data on this website:
Black Henbane — Hyoscyamus niger.  Montana Field Guide.  .  Retrieved on , from