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buckthorn    音标拼音: [b'ʌkθ,ɔrn]
n. 鼠李

鼠李

buckthorn
n 1: a shrub or shrubby tree of the genus Rhamnus; fruits are
source of yellow dyes or pigments
2: any shrub or small tree of the genus Bumelia
3: an Old World plantain with long narrow ribbed leaves widely
established in temperate regions [synonym: {English plantain},
{narrow-leaved plantain}, {ribgrass}, {ribwort}, {ripple-
grass}, {buckthorn}, {Plantago lanceolata}]


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  • Rhamnus cathartica - Wikipedia
    Fruit Rhamnus cathartica, the European buckthorn, [3] common buckthorn, purging buckthorn, or just buckthorn, is a species of small tree in the flowering plant family Rhamnaceae It is native to Europe, northwest Africa and western Asia, from the central British Isles south to Morocco, and east to Kyrgyzstan [4] It was introduced to North America as an ornamental shrub in the early 19th
  • Buckthorn Identification
    Examples of common buckthorn which are seen routinely in Wisconsin The bark on both glossy and common buckthorn is grey to brown with silver or white lenticels or projections The inner bark is orange and seen when the plant is cut The leaves on common buckthorn are dark green egg-shaped, pointed tips, and tiny teeth along the edges
  • Buckthorn: How can a shrub be so harmful? - Friends of the Mississippi . . .
    Common buckthorn is a tall, understory shrub brought to North America in the early 1800s as an ornamental shrub, primarily to serve as a hedgerow But this woody plant escaped from yards and landscaped areas long ago, spreading rapidly in forests, oak savannas and other natural areas Buckthorn is extremely hardy and able to thrive in a variety of soil and light conditions It also outcompetes
  • Types of Buckthorns: Common, Glossy, and Fine Line Buckthorns
    This article provides an identification guide to different types of buckthorn plants Descriptions and pictures of various species of common buckthorn trees and shrubs will help you identify these plants and understand their characteristics and uses in landscaping
  • Identifying Common Buckthorn and Understanding Its Impact
    Common buckthorn (Rhamnus cathartica) is an invasive shrub or small tree that has become a major threat to North American ecosystems Native to Europe and western Asia, it was initially introduced as an ornamental plant and for hedgerows However, its aggressive growth and lack of natural predators have allowed it to spread rapidly, disrupting native landscapes Understanding how to identify
  • Buckthorn - Minnesota DNR
    Buckthorn Common, or European, buckthorn, and glossy buckthorn are the two non-native, invasive buckthorn species found in Minnesota These buckthorn species were first brought here from Europe as a popular hedging material They became a nuisance plant, forming dense thickets in forests, yards, parks and roadsides
  • Common Buckthorn | National Invasive Species Information Center
    Species Profile: Common Buckthorn Forms dense stands that dominate ecosystems and displace native species (Mascaro et al 2007)
  • Buckthorn: Accurate Identification - Penn State Extension
    Learn the distinguishing characteristics to help you accurately identify the invasive common (Rhamnus cathartica) and glossy buckthorn (Frangula alnus) shrubs
  • Buckthorn Tree Facts - Garden Guides
    Buckthorn Tree Facts Buckthorns are deciduous bushes or small trees in the buckthorn family (Rhamnaceae), and several species are native to North America while others originated in Europe, Asia, Eurasia and or Africa The name "buckthorn" comes from the non-native species, which have sharp, thornlike tips at branch ends All buckthorns are either male or female and have glossy, dark-green
  • Common buckthorn - Michigan State University
    Rhamnus cathartica Common buckthorn is native to Eurasia and was introduced to North America in the 1880s as an ornamental plant Its abundant fruit is dispersed by birds and it spreads rapidly, replacing native vegetation and lowering species diversity Like many non-native shrubs, common buckthorn leafs out early in spring and retains its leaves late into fall, shading out spring wildflowers





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