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Frangula purshiana (cascara, cascara buckthorn, cascara sagrada, bearberry, and in the Chinook Jargon, chittem stick and chitticum stick; syn. Rhamnus purshiana) is a species of plant in the family Rhamnaceae. It is native to western North America from southern British Columbia south to central California, and eastward to northwestern Montana.
Rhamnus cathartica is a deciduous, dioecious shrub or small tree growing up to 10 metres (33 ft) tall, with grey-brown bark and often thorny branches. The leaves are elliptic to oval, 25–90 mm (1– 3 + 1 ⁄ 2 in) long and 12–35 mm (1 ⁄ 2 – 1 + 3 ⁄ 8 in) broad; they are green, turning yellow in autumn, have toothed margins, and are arranged somewhat variably in opposite to ...
The berries and leaves of several species are mildly toxic to humans, dogs, cats, livestock, rabbits, and tortoises, containing terpenoid glycosides which can cause extreme irritation to the hands and mouth upon contact and digestive distress if ingested; children and small animals are particularly susceptible. [151]
Alder buckthorn charcoal is prized in the manufacture of gunpowder, being regarded as the best wood for the purpose. It is particularly highly valued for time fuses because of its very even burn rate. [4] [12] The wood was formerly used for shoe lasts, nails, and veneer. The bark yields a yellow dye, and the unripe berries furnish a green dye. [27
The berries are edible, and the seeds inside have been used to make coffee substitute with limited success. [36] However, the bark of cascara, another member of the genus Frangula, is toxic. [37] Native Americans of the west coast of North America had several uses for the plant as food, and used parts of it as a traditional medicinal plant. [11]
An expert explains if mistletoe is poisonous to dogs and cats, and how to enjoy this romantic Christmas plant safely. ... “The leaves are more toxic than the berries. Reports of more severe ...
Rhamnus pumila, dwarf buckthorn. Rhamnus is a genus of about 140 accepted species of shrubs or small trees, commonly known as buckthorns, in the family Rhamnaceae.Its species range from 1 to 10 m (3 to 33 ft) tall (rarely to 15 m, 50 ft) and are native mainly in east Asia and North America, but found throughout the temperate and subtropical Northern Hemisphere, and also more locally in the ...
Find out if holly berries are poisonous to pets or small children and get expert tips on avoiding any harm. ... However, don't panic if your dog or cat eats some holly berries. "Severe symptoms ...