Brooklyn Botanic Garden

Rhamnus cathartica

Rhamnus

by Steven D. Glenn
Not peer reviewed
Last modified: 03/11/2013

Nomenclature

Rhamnus L., Sp. Pl. 1: 193. 1753. Gen. Pl. 89. 1754. Cervispina Ludw., Inst. Regn. Vég. ed. 2. 141. 1757, nom. illeg. (Art. 52.1). LECTOTYPE: Rhamnus catharticus L. (Adans., Fam. 2: 514, 559, 587, 620. 1763, successively eliminates all species but R. catharticus from the Linnaean genus).

Frangula Mill., Gard. Dict. abr. ed. 4. 1754. LECTOTYPE: Frangula alnus Mill. (=Rhamnus frangula L.).

Girtanneria Neck. ex Raf., Sylva Tellur. 28. 1838. TYPE: Not designated.

Apetlorhamnus Nieuwl., Amer. Midl. Naturalist 4: 90. 1915. TYPE: Apetlorhamnus alnifolia (L'Hér.) Nieuwl. (=Rhamnus alnifolia L'Hér.).

Key to the species of Rhamnus

1. Leaves mostly opposite or subopposite...Rhamnus cathartica
1. Leaves alternate...2

2. Leaves entire or with a few marginal glands near the apex; petals present...Rhamnus frangula
2. Leaves crenate-serrate; petals none...Rhamnus alnifolia

List of Rhamnus Species

References

References to Rhamnus

Back to Rhamnaceae Page

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