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Buckthorns
Rhamnus
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 subtropical Southern Hemisphere in parts of Africa and South America.
Both deciduous and evergreen species occur. The leaves are simple, 3 to 15 cm (1 to 6 in) long, and arranged alternately, in opposite pairs, or almost paired (subopposite). One distinctive character of many buckthorns is the way the veination curves upward towards the tip of the leaf. The plant bears fruits which are black or red berry-like drupes. The name is due to the woody spine on the end of each twig in many species. One species is known to have potential to be used medicinally.
60 branches of this genus, most-observed first
common buckthorn
speciesRhamnus cathartica
Mediterranean buckthorn
speciesRhamnus alaternus
hollyleaf redberry
speciesRhamnus ilicifolia
Redberry Buckthorn
speciesRhamnus crocea
Rhamnus lycioides
complexRhamnus lycioides
Alderleaf Buckthorn
speciesRhamnus alnifolia
Shiny-leaf
speciesRhamnus prinoides
Rock Buckthorn
speciesRhamnus saxatilis
Alpine Buckthorn
speciesRhamnus alpina
Dwarf Buckthorn
speciesRhamnus pumila
Rhamnus formosana
speciesRhamnus formosana
Dahurian Buckthorn
speciesRhamnus davurica
Pallas' Buckthorn
speciesRhamnus erythroxyloides
Rhamnus fallax
speciesRhamnus fallax
Hairyleaf Redberry
speciesRhamnus pilosa
Italian buckthorn
speciesRhamnus myrtifolia
island redberry
speciesRhamnus pirifolia
Rhamnus glandulosa
speciesRhamnus glandulosa
Canary buckthorn
speciesRhamnus crenulata
Rhamnus insula
speciesRhamnus insula
Rhamnus parvifolia
speciesRhamnus parvifolia
Rhamnus nakaharae
speciesRhamnus nakaharae
Rhamnus pilushanensis
speciesRhamnus pilushanensis
Lanceleaf Buckthorn
speciesRhamnus lanceolata
Rhamnus erythroxylum
speciesRhamnus erythroxylum
Rhamnus diffusa
speciesRhamnus diffusa
Chinese buckthorn
speciesRhamnus utilis
Rhamnus bungeana
speciesRhamnus bungeana
Rhamnus × intermedia
hybridRhamnus × intermedia
Rhamnus ludovici-salvatoris
speciesRhamnus ludovici-salvatoris
Rhamnus libanotica
speciesRhamnus libanotica
Rhamnus microcarpa
speciesRhamnus microcarpa
Rhamnus tortuosa
speciesRhamnus tortuosa
Ussuri buckthorn
speciesRhamnus ussuriensis
Rhamnus imeretina
speciesRhamnus imeretina
Rhamnus yoshinoi
speciesRhamnus yoshinoi
sharp-tooth buckthorn
speciesRhamnus arguta
Rhamnus globosa
speciesRhamnus globosa
Rhamnus integrifolia
speciesRhamnus integrifolia
Rhamnus punctata
speciesRhamnus punctata
Rhamnus infectoria
speciesRhamnus infectoria
Rhamnus rhodopea
speciesRhamnus rhodopea
Rhamnus napalensis
speciesRhamnus napalensis
Rhamnus disperma
speciesRhamnus disperma
rigid hair buckthorn
speciesRhamnus japonica
Rhamnus virgata
speciesRhamnus virgata
Rhamnus prostrata
speciesRhamnus prostrata
Rhamnus leptophylla
speciesRhamnus leptophylla
Rhamnus spathulifolia
speciesRhamnus spathulifolia
Rhamnus depressa
speciesRhamnus depressa
Rhamnus songorica
speciesRhamnus songorica
Rhamnus liukiuensis
speciesRhamnus liukiuensis
Rhamnus kanagusukii
speciesRhamnus kanagusukii
Rhamnus maximovicziana
speciesRhamnus maximovicziana
Kurdish buckthorn
speciesRhamnus kurdica
Rhamnus glaucophylla
speciesRhamnus glaucophylla
Pichler's Buckthorn
speciesRhamnus pichleri
Rhamnus rugulosa
speciesRhamnus rugulosa
Rhamnus prunifolia
speciesRhamnus prunifolia
Rhamnus wightii
speciesRhamnus wightii
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the old herbals & bestiaries
De medicinali materia libri sex
Dioscorides · 1552 · p.137
On Medical Materials in Six Books
Dioscorides · 1550 · p.131
On the Names of Plants
Hieronymus Bock (Tragus) · 1552 · p.1051
Commentaries on the Six Books of Dioscorides
Pietro Andrea Mattioli · 1560 · p.214
Commentaries on the Six Books of Dioscorides
Pietro Andrea Mattioli · 1560 · p.214
Commentaries on the Six Books of Dioscorides
Pietro Andrea Mattioli · 1560 · p.214
Commentaries on the Six Books of Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1563 · p.214
Commentaries on the Six Books of Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1563 · p.214
Commentaries on the Six Books of Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1563 · p.214
Commentaries on the Six Books of Pedanius Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1565 · p.331
Commentaries on the Six Books of Pedanius Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1565 · p.332
Discourses on the Six Books of Dioscorides
Dioscorides; Pietro Andrea Mattioli (comm.) · 1568 · p.356
In the stacks
Searching the stacks…
Every page naming Rhamnus in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 54812.