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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 ...
Frangula alnus, commonly known as alder buckthorn, glossy buckthorn, ... Although considered an invasive species in North America, In other places, ...
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 ...
Examples of established invasive species in the Badger State are buckthorn (a tree), rusty crayfish (crustacean), spiny water flea (zooplankton) and round goby (fish).
More than 90% or about 1,500,000 ha (3,700,000 acres) of the world's natural sea buckthorn habitat is found in China, Mongolia, Russia, and most parts of Northern Europe. [4] Sea buckthorn USDA hardiness zones are about 3 through 7. [4] In some areas it is considered invasive, due to its ability to outcompete smaller native species. [6]
Frangula caroliniana, commonly called the Carolina buckthorn, [3] is a deciduous upright shrub or small tree native to the southeastern, south-central, and mid-western parts of the United States, from Texas east to Florida and north as far as Maryland, Ohio, Missouri, and Oklahoma. [4]
Rhamnus lycioides, the black hawthorn, European buckthorn, or Mediterranean buckthorn, is a shrub up to about 1.5-4 metres tall [1] in the buckthorn family, Rhamnaceae. It is found in the Mediterranean region, in southern Europe and northern Africa. Its scientific name lycioides refers to its resemblance to the botanical genus Lycium.
Frangula is a genus of about 35 species of flowering shrubs or small trees, commonly known as alder buckthorn in the buckthorn family Rhamnaceae. [1] The common name buckthorn is also used to describe species of the genus Rhamnus in the same family and also sea-buckthorn, Hippophae rhamnoides in the Elaeagnaceae.