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Previous taxon Indexes to all accepted names and synonyms:
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ARALIACEAE GINSENG FAMILY

Robert E. Preston & Elizabeth McClintock, except as noted

Perennial herb, shrub, tree, woody vine; juvenile, flower plants generally unlike. Stem: generally branched. Leaf: simple or compound, generally alternate; stipules ± fused to ± sheathing, petiole base or 0. Inflorescence: umbels 1 to panicled; bracts deciduous or not. Flower: generally bisexual, generally radial, generally < 5 mm; sepals generally 5, fused at base, inconspicuous, persistent; petals generally 5, free, ± white to green, deciduous; stamens generally 5, generally alternate petals; ovary inferior, chambers 1–15, 1-ovuled, styles as many as chambers, free or fused, persistent. Fruit: berry or drupe, occasionally flat, dry.
47 genera, 1350 species: especially tropics, subtropics medicinal (e.g., Panax, ginseng; Aralia, sarsaparilla), ornamental (e.g., Aralia, Fatsia, Hedera, Polyscias). [Plunkett et al. 2004 Plant Syst Evol 245:1–39] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Araliaceae

HEDERA IVY
Woody vine; hairs stellate. Stem: juvenile stems climbing by aerial roots; flowering stems fewer, nonclimbing. Leaf: simple, evergreen; generally lobed on juvenile stems; ± entire on flowering stems; stipules 0. Fruit: berry, black [to yellow].
± 13 species: Europe, northern Africa, Asia. (Latin: sacred plant of Bacchus, god of wine) [Ackerfield & Wen 2003 Int J Plant Sci 163:593–602]

Key to Hedera

H. helix L. ENGLISH IVY
NATURALIZED
Leaf: on flowering stems < 15 cm, ovate to ± diamond-shaped; petiole, abaxially hairy to ± glabrous. Fruit: ± 5 mm.
2n=48. Woodland, open, disturbed areas; < 1280 m. North Coast, North Coast Ranges, n High Sierra Nevada, Great Central Valley, Central Coast, San Francisco Bay Area, Southwestern California (except Channel Islands, San Jacinto Mountains); native to Europe. Sap can cause contact dermatitis; berries and leaves TOXIC when eaten. Widely cultivated in mild-winter regions, generally spreading aggressively. Aug–Nov {Weed listed by Cal-IPC} [Online Interchange]
Unabridged synonyms: [Hedera helix L. subsp. helix]

Previous taxon: Hedera canariensis
Next taxon: Hydrocotyle

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 19 2014
Citation for this treatment: [Author of taxon treatment] 2012. Hedera, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=27768, accessed on Apr 19 2014

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Bioregions in which Hedera helix occurs Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.