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Key to Frangula

Rhamnaceae

Frangula

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(c) Nesterova, Svetlana - CC-BY-NC, permission granted to NCBG
(c) Léveillé-Bourret, Étienne - CC-BY-NC, permission granted to NCBG
1 Leaves entire; leaves ca. 2× as long as wide; umbels sessile
© Scott Ward
(c) Sorrie, Bruce A. - CC-BY
1 Leaves serrulate; leaves ca. 3× as long as wide; umbels pedunculate