Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

ARALIACEAE

GINSENG FAMILY

Elizabeth McClintock

Shrub, woody vine, rarely perennial herb, tree; juvenile plant often unlike flowering plant
Stem generally branched
Leaves simple or compound, generally alternate; stipules ± fused to ± sheathing petiole base or 0
Inflorescence: umbels solitary 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
Genera in family: 60–70 genera, 700 species: especially tropical, subtropical; medicinal (e.g. Panax , ginseng; Aralia , sarsaparilla), ornamental (e.g., Aralia, Fatsia, Hedera, Polyscias )
Reference: [Graham 1966 J Arnold Arbor 47:126–136]

HEDERA

IVY

Woody vine
Stem: juvenile stems climbing by aerial rootlets; flowering stems fewer, nonclimbing
Leaves simple, evergreen; those on juvenile stems lobed; those on flowering stems ± entire; stipules 0; hairs stellate
Fruit: berry, black
Species in genus: ± 6 species: Eurasia
Etymology: (Latin: sacred plant of Bacchus, god of wine)

Introduced

H. helix L.

ENGLISH IVY


Leaves: on juvenile stems palmately 3–5-lobed, < 35 cm; on flowering stems < 15 cm, ovate to ± diamond-shaped; petiole, lower surfaces hairy to ± glabrous
Fruit ± 5 mm
Chromosomes: 2n=48
Ecology: Disturbed areas
Elevation: 0–1000 m.
Bioregional distribution: California Floristic Province
Distribution outside California: native to Europe,
widely cultivated in mild-winter regions, sometimes spreading aggressively. TOXIC: juice can cause contact dermatitis; berries and leaves toxic when eaten.

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