Black Henbane - Hyoscyamus niger
Other Names:
Stinking Nightshade
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).