*Rhamnus Linnaeus. Buckthorn.
A genus of ca. 150 species, trees and shrubs, of the northern hemisphere. The recognition of Frangula as separate from Rhamnus is supported by molecular phylogeny (Bolmgren & Oxelman 2004).
Ref: Bolmgren & Oxelman (2004); Brizicky (1964a); Hauenschild et al. (2016b); Johnston (1975); Medan & Schirarend In Kubitzki et al. (2004); Nesom & Sawyer (2016) In Flora of North America Editorial Committee (2016). Show full citations.
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.
© Erik Danielson | Rhamnus cathartica source | Original Image ⭷
© Derek, some rights reserved (CC BY), uploaded by Derek | Rhamnus utilis source | Original Image ⭷
© Gary P. Fleming | Rhamnus davurica | Original Image ⭷Feedback
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