Alberta, Canada
Go back to alphabetical index

Common Buckthorn
Rhamnus catharticus
<< >>

Also known as - European Buckthorn, Purging Buckthorn.

Not native to Alberta. Perennial.

General Description

By Gustave J. Yaki

Introduced from Europe. Shrub to small tree, 6m tall, planted ornamentally by city, but because it is weedy, escaping into gardens and natural areas, SHOULD NOT BE PLANTED. Leaves, opposite, sub-opposite, or occasionally alternate; rounded with sharp tip, finely-toothed, with 2-5 veins per side, arcing towards the tip, 4-8cm long; remain green into November, long after native species have turned colour and dropped; turn dark, many remaining on tree through the winter. Buds, almost black, long, scaly, pressed to the twig. Twigs, slender, some ending in a sharp thorn. Bark, greyish-brown, birch-like with elongated horizontal lenticels and loose ends of smooth bark forming tight curls. Flowers, in the leaf axils of new shoots; small, inconspicuous, clustered, 4-parted, yellow-green, 4-5mm across; June. Fruits, a black berry, in short-stemmed clusters; laxative when eaten. Habitat: escapes into moist to dry woods. sWeas.N50.59.357/W114.08.238.

Talk about Common Buckthorn on our moderated message board. Get answers and share images. We are Alberta's largest and friendliest online community of nature enthusiasts. Beginners and experts are welcome. We are non-profit, non-commercial, ad free and spam free.

Where to find Common Buckthorn in Alberta   

There is currently no information regarding this species in our Where & When database.

Interesting Facts about Common Buckthorn   

No interesting facts regarding Common Buckthorn have been submitted to the database yet.

Common Buckthorn Stories from our Readers   

No stories regarding Common Buckthorn have been submitted to the database yet.

Recent Common Buckthorn Reports in Alberta


Abundance Location Reporter Date
Present Alexo Natural Area Collao 2011/03/28
Present Edmonton NW feroe 2011/01/18

Common Buckthorn Hotspots in Alberta

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''' at line 1