Flora of North America species comparison

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Parthenocissus quinquefolia

American ivy, fiveleaf ivy, hiedra, parra, vigne vierge à cinq folioles, Virginia-creeper, woodbine
Habit Lianas, high climbing or scrambling.
Leaves

palmately compound;

petiole ± equaling blade;

leaflets (4–)5(–7), dull adaxially, obovate to elliptic, 6–12 × 2–5 cm, thin, herbaceous, base cuneate, margins coarsely serrate, usually distally, apex acuminate, surfaces glabrous or abaxial puberulent.
Inflorescences

divergently branched, with distinct central axis.
Flowers

greenish to reddish green.
Berries

globose, 4–8 mm diam. 2n = 40.
Tendrils

4–12-branched, with adhesive discs.

Parthenocissus quinquefolia
Phenology Flowering May–Jun; fruiting Aug–Sep.
Habitat Open woods, prairie ravines, rocky banks and ledges, thickets, fencerows, roadsides, waste places.
Elevation 0–1500 m. (0–4900 ft.)
Distribution
from FNA
AL; AR; CO; CT; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; NE; NH; NJ; NY; OH; OK; PA; RI; SC; SD; TN; TX; UT; VA; VT; WI; WV; NB; NS; ON; PE; QC; SK; e Mexico; West Indies (Bahamas, Cuba); Central America (El Salvador, Guatemala)
[WildflowerSearch map]
[BONAP county map]
Discussion

The leaves of Parthenocissus quinquefolia are usually (4–)5(–6)-foliolate. Specimens with 7-foliolate leaves have been collected from sandy areas in Dare County, North Carolina. This species appears to be introduced in most, if not all, of its range in Canada and in Colorado, Montana, and Utah.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 17.
Parent taxa Vitaceae > Parthenocissus
Sibling taxa
P. heptaphylla, P. tricuspidata, P. vitacea
Synonyms Hedera quinquefolia, Ampelopsis quinquefolia, P. hirsuta, P. inserta, P. quinquefolia var. murorum, Psedera quinquefolia, Vitis inserta, V. quinquefolia
Name authority (Linnaeus) Planchon: in A. L. P. P. de Candolle and C. de Candolle, Monogr. Phan. 5: 448. (1887)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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