Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Frangula

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image of plant
Show caption*© Étienne Léveillé-Bourret, some rights reserved (CC BY-NC), uploaded by Étienne Léveillé-Bourret
image of plant
Show caption*© Svetlana Nesterova, some rights reserved (CC BY-NC), uploaded by Svetlana Nesterova
1 Leaves entire; leaves ca. 2× as long as wide; umbels sessile
image of plant
Show caption*© Bruce Sorrie
image of plant
Show caption*© Scott Ward
1 Leaves serrulate; leaves ca. 3× as long as wide; umbels pedunculate