Hedera L.

Ivy (en), Lierre (fr)

Genus

Angiosperms > Apiales > Araliaceae

Characteristics

Woody vines, evergreen, hermaphroditic or andromonoecious, creeping or climbing by aerial roots, unarmed. Leaves simple, entire or coarsely lobed, those of fertile shoots differentiated; stipules absent. Inflorescence a terminal, compact raceme of umbels, or occasionally umbels solitary. Pedicels not articulate below ovary. Calyx subentire or 5-toothed. Petals 5, valvate. Stamens 5. Ovary 5-carpellate; styles united into a short column. Fruit a drupe, globose. Seeds ovoid; endosperm ruminate.
More
Woody climbers, often becoming arborescent at maturity, the scandent stage with numerous aerial rootlets. Lvs alternate, petiolate, simple, palmately lobed or not lobed, exstipulate; lf form usually differing between flowering and non-flowering shoots. Umbels solitary or in terminal racemes; bracts minute or 0; calyx entire or 5-toothed; petals 5, greenish; stamens 5; ovary 5-locular; styles connate into a cone with stigmas sessile at apex. Fr. subglobose, berry-like.
Sep 5, very short; pet 5, fleshy, green; stamens 5; ovary usually 5-locular; style 1; fr a berry-like drupe with 2–5 pyrenes; unarmed, woody vine, climbing by numerous adventitious roots, with firm, evergreen, simple lvs and small fls in solitary or racemosely arranged umbels. 15, mainly Eurasia.
Life form perennial
Growth form shrub
Growth support -
Foliage retention evergreen
Sexuality
Pollination -
Spread -
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Root system adventitious-root creeping-root
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Flower color
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Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 4-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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