Comments
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Alkaloids (hyoscyamine and scopolamine) contained in the roots, leaves, and seeds, are used as an anaesthetic and for relieving muscular spasm and pain. The seed oil can be used for soap making.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Plants annual or biennial, up to 1.5 m tall, pubescent to hairy. Leaves sessile, 5-12.5 x 2.8-7.5 cm, ovate-oblong, sinuate to pinnately lobed, ± semi-amplexicaul, glandular-pubescent, especially on the nerves and margins. Calyx 14-16 mm long, up to 26 mm in fruit, campanulate to infundibuliform, ± urceolate in fruit, nervose, glandular-pilose; lobes triangular, aristate. Corolla (18-) 20-30 mm long, infundibuliform, pale yellow, with brown-purple nerves; lobes ± obtuse, unequal; tube glandular-pilose to the outside. Stamens subexserted, unequal. Lower part of filament pilose, purplish. Style exceeding the stamens in length, purplish. Pyxidium 11-13 mm long, ± pitcher-shaped; operculum usually of a darker colour. Seeds ± 1.2 mm long, reniform, rugose-tuberculate, brown.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Herbs biennial, to 1 m tall, pubescent throughout with sticky glandular hairs. Roots sometimes stout, fleshy, 2-3 cm in diam. Leaves sessile, sometimes forming a rosette; blade of rosette leaves ovate-lanceolate or oblong, ca. 30 × 10 cm, coarsely dentate or pinnately lobed or parted, apex acute; blade of cauline leaves ovate or deltate-ovate, 4-10 × 2-6 cm, pubescent with sticky hairs, nearly clasping or broadly cuneate at base, lobed or entire. Flowers subsessile or on pedicels 3-5 mm. Calyx tubular-campanulate, 1-1.5 cm; lobes deltate, unequal, acute. Corolla pale yellow, usually with purple veins, campanulate, 2-3 cm. Stamens exserted. Fruiting calyx urceolate, 2-2.5 × 1-1.5 cm; lobes mostly erect, tipped with a sharp tooth. Capsules ovoid-rounded, ca. 1.5 × 1.2 cm. Seeds yellow-brown, discoid, ca. 1 mm in diam. Fl. May-Aug, fr. Jul-Oct.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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Distribution: N. America, N. Africa, Europe, Caucasus, Siberia, S.W. & C. Asia, Iraq, Iran, Afghanistan, Himalaya eastward to Japan.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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Gansu, Guizhou, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Yunnan [Afghanistan, India, Japan, Kazakhstan, Korea, Kyrgyzstan, Nepal, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, N Africa, Europe]
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flower/Fruit
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Fl. Per.: June-July.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Slopes, near roads, sands by rivers, rich humus soils near villages and houses, occasionally cultivated; 700-3600 m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Hyoscyamus agrestis Kitaibel ex Schultes; H. bohemicus F. W. Schmidt; H. niger var. annuus Sims; H. niger var. chinensis Makino.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA