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Mountain laurel is poisonous to several animals, including horses, [24] goats, cattle, deer, [25] monkeys, and humans, [26] due to grayanotoxin [27] and arbutin. [28] The green parts of the plant, flowers , twigs, and pollen are all toxic, [ 26 ] including food products made from them, such as toxic honey that may produce neurotoxic and ...
Mountain laurel blooms showing the conjoined petals. The leaves are 2–12 cm long and simple lanceolate. The flowers are white, pink or purple, in corymbs of 10–50, reminiscent of Rhododendron flowers but flatter, with a star-like calyx of five conjoined petals; each flower is 1–3 cm diameter.
All parts of these plants are toxic, due to the presence of alkaloids. Grazing animals, such as sheep and cattle, may be affected and human fatalities have occurred. [106] Delphinium spp. larkspur Ranunculaceae: Contains the alkaloid delsoline. Young plants and seeds are poisonous, causing nausea, muscle twitches, paralysis, and often death.
Poison Ivy, a well-known toxic plant common in Texas especially during the spring and summer, causes an itchy painful rash. This is caused by its sap that has a clear liquid called urushiol.
Kalmia polifolia, previously known as Kalmia glauca [1] and commonly called bog laurel, swamp laurel, [2] or pale laurel, is a perennial [3] evergreen shrub of cold acidic bogs, in the family Ericaceae. It is native to north-eastern North America, from Newfoundland to Hudson Bay southwards.
Some members of the laurel family, as well as the unrelated but visually similar mountain laurel and cherry laurel, have leaves that are poisonous to humans and livestock. [26] While these plants are not sold anywhere for culinary use, their visual similarity to bay leaves has led to the oft-repeated belief that bay leaves should be removed ...
A non-native plant is known to poison — and often kill — hundreds of birds in North Carolina each winter. Nandina domestica , often known as Heavenly Bamboo , is often used in yard landscaping ...
Spoonwood is a common name for two plants: . Kalmia latifolia, a North American plant known as mountain laurel and numerous other names emphasizing its poisonous nature, such as lambkill, kill-kid, and calf-kill.