Jepson eFlora: Taxon page
Vascular Plants of California
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Parthenocissus inserta

Higher Taxonomy
Family: VitaceaeView DescriptionDichotomous Key
Habit: Woody vine [shrub]; tendrils opposite leaves. Stem: generally lenticelled. Leaf: alternate, simple or compound, petioled, deciduous; stipules generally deciduous. Inflorescence: cyme, panicle, generally opposite leaf, peduncled. Flower: generally bisexual, radial; sepals generally reduced, generally fused, lobes 0 or 5; petals generally 5, free, reflexed, falling individually, or adherent at tips, +- erect, falling as unit, +- red or +- yellow; stamens generally 5, opposite petals; nectaries 0 or between stamens as +- free glands; ovary 1, superior, chambers generally 2(4), style 1 or 0, stigma inconspicuous or head-like. Fruit: berry. Seed: 1--6.
Genera In Family: 15 genera, +- 800 species: especially warm regions; some cultivated (Cissus, grape ivy; Parthenocissus, Virginia creeper; Vitis, grape).
eFlora Treatment Author: Eric B. Wada & M. Andrew Walker, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: ParthenocissusView Description 

Stem: bark not peeling; stem center white, not partitioned at nodes; tendril tips generally with adhering disks. Leaf: palmately compound; leaflets 3--7, coarsely serrate. Inflorescence: cyme. Flower: generally bisexual; calyx red, lobes shallow; petals free, +- red, margins +- green; nectaries obscure or 0. Fruit: obovoid. Seed: 1--4, obovoid.
Species In Genus: 15 species: temperate, tropics. Etymology: (Greek: virgin ivy)
eFlora Treatment Author: Eric B. Wada, M. Andrew Walker & Michael O. Moore
Reference: Pringle 2010 Michigan Bot 49:73--78
Parthenocissus inserta (A. Kern.) Fritsch
Stem: tendril branches few, tips generally without adherent disks. Leaf: leaflet adaxially glossy, glabrous, abaxially +- dull, glabrous to hairy. Inflorescence: forked at peduncle tip, again above or not. Fruit: 9--12 mm wide, dark blue to black. Chromosomes: 2n=40.
Ecology: Uncommon. Hillsides, thickets, ravines, open woodland, roadsides; Elevation: < 1000 m. Bioregional Distribution: GV, CW, SW; Distribution Outside California: to Texas, northeastern United States. Flowering Time: Apr--Jun Note: In TJM (1993) treated as native to California, possibly correctly.
Synonyms: Parthenocissus vitacea (Knerr) Hitchc.
Jepson eFlora Author: Eric B. Wada, M. Andrew Walker & Michael O. Moore
Reference: Pringle 2010 Michigan Bot 49:73--78
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: Eric B. Wada, M. Andrew Walker & Michael O. Moore 2012, Parthenocissus inserta, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on June 27, 2022.

Citation for the whole project: Jepson Flora Project (eds.) 2022, Jepson eFlora,, accessed on June 27, 2022.

No expert verified images found for Parthenocissus inserta.

Geographic subdivisions for Parthenocissus inserta:
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).


Data provided by the participants of the  Consortium of California Herbaria.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).