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Araliaceae
Hedera

*Hedera Linnaeus. Common name: Ivy.

Key to Hedera

A genus of 15 species, lianas, distributed from Mediterranean Europe west to e. Asia (Plunkett et al. 2018b).

Glossary (beta!)

ID notes: The leaves of Hedera are dimorphic, sometimes confusing observers; "juvenile" leaves (those of the sterile branches) are about as wide as long and (in H. helix) palmately 3-5-lobed, those of the fertile branches (less commonly seen) are obovate or elliptic. Juvenile leaf lobing can sometimes be subtle (e.g. H. algeriensis).

References: Ackerfield & Wen (2002); Ballou et al. (2023); Frodin & Govaerts (2003); Graham (1966); Green, Ramsey, & Ramsey (2011); Stace (2010); Staff of the Bailey Hortorium (1976); Wen (2024f) In Flora of North America Editorial Committee (2024). Show full citations.

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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.

image of plant© Gary P. Fleming | Hedera helix | Original Image ⭷
image of plant© Gary P. Fleming | Hedera helix | Original Image ⭷
image of plant© Douglas Goldman, some rights reserved (CC BY), uploaded by Douglas Goldman | Hedera hibernica source | Original Image ⭷
image of plant© Sus scrofa, some rights reserved (CC BY), uploaded by Sus scrofa | Hedera hibernica source | Original Image ⭷ Warning: was NOT research grade.
image of plant© Gary P. Fleming | Hedera helix | Original Image ⭷
image of plant© Jennifer Ackerfield | Original Image ⭷
image of plant© Jennifer Ackerfield | Original Image ⭷
image of plant© ShroomJunk, some rights reserved (CC BY), uploaded by ShroomJunk | Hedera hibernica source | Original Image ⭷
image of plant© Erik Danielson | Hedera helix source

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