poisonous plant

any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers

a plant of the genus Actaea having acrid poisonous berries

any plant of the Eurasian genus Helleborus

any of several poisonous perennial plants of the genus Apocynum having acrid milky juice and bell-shaped white or pink flowers and a very bitter root

an ornamental but poisonous flowering shrub having narrow evergreen leaves and clusters of fragrant white to pink or red flowers: native to East Indies but widely cultivated in warm regions

any plant of the genus Gloriosa of tropical Africa and Asia; a perennial herb climbing by means of tendrils at leaf tips having showy yellow to red or purple flowers; all parts are poisonous

deciduous shrub of western North America having spikes of pink flowers followed by round white berries

an evergreen tree

smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil

climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact

poisonous shrub of the Pacific coast of North America that causes a rash on contact

poisonous shrub of southeastern United States causing a rash on contact

small Asiatic tree yielding a toxic exudate from which lacquer is obtained

a flowering shrub

European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten

tall erect highly poisonous Eurasiatic perennial herb locally abundant in marshy areas

tall biennial water hemlock of northeastern North America having purple-spotted stems and clusters of extremely poisonous tuberous roots resembling small sweet potatoes

large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous

European poisonous herb having tuberous roots, yellow juice that stains the skin, yellow flowers and foliage resembling celery; all parts extremely poisonous

European poisonous herb with fibrous roots

a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite

poisonous Eurasian perennial herb with broad rounded leaves and yellow flowers and fibrous rootstock

North American perennial herb with alternately compound leaves and racemes of small white flowers followed by bright red oval poisonous berries

North American herb with white poisonous berries

digitate-leaved hellebore with an offensive odor and irritant qualities when taken internally

European evergreen plant with white or purplish rose-like winter-blooming flowers

slightly hairy perennial having deep green leathery leaves and flowers that are ultimately purplish-green

deciduous plant with large deep green pedate leaves and nodding saucer-shaped green flowers

North American perennial having pinkish flowers in loose cymes; used in folk medicine for pain or inflammation in joints

Canadian dogbane yielding a tough fiber used as cordage by Native Americans; used in folk medicine for pain or inflammation in joints

North American plant similar to common dogbane