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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
    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
  • Buckthorn Identification
    Common and Glossy Buckthorn can be tall shrubs or small trees which may reach 6 to 25 feet and have trunks 10 inches in diameter Buckthorns usually have a few to several stems or trunks and spreading, loosely-branched crowns
  • 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
  • Common Buckthorn | National Invasive Species Information Center
    Distinguishing between non-native and native buckthorn is important so that management efforts can be targeted appropriately This article desribes and separates the two invasive buckthorns from native alderleaf buckthorn
  • Buckthorn - Minnesota DNR
    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
  • 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: What You Should Know, What You Can Do.
    Buckthorn leafs out early and retains its leaves late into the fall, creating dense shade that helps it to out-compete many native plants Common, or European, buckthorn, and glossy buckthorn are the two non-native, invasive buckthorn species found in Minnesota
  • Common buckthorn | (Rhamnus cathartica) | Wisconsin DNR
    Common buckthorn has a broad environmental tolerance It leafs out very early and retains its leaves late into the growing season, giving them a longer growing season than native plants Creates dense shade, eliminating the regeneration of tree seedlings and understory species
  • Rhamnus (plant) - Wikipedia
    Rhamnus is a genus of about 140 accepted species of shrubs or small trees, commonly known as buckthorns, in the family Rhamnaceae





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