Jepson eFlora: Taxon page
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Parietaria judaica

Higher Taxonomy
Family: UrticaceaeView DescriptionDichotomous Key

Common Name: NETTLE FAMILY
Habit: Annual, perennial herb [to shrub, soft-wooded tree], hairs stinging and not [glabrous]; monoecious or dioecious; wind-pollinated. Leaf: alternate or opposite, generally stipuled, petioled, blade often with translucent, raised dots due to crystals in epidermal cells. Inflorescence: axillary, 1-flowered or head-, raceme-, or panicle-like. Flower: generally unisexual, small, +- green; sepals generally 4--5, free to fused; petals 0. Staminate Flower: stamens generally 4--5, opposite sepals, incurved in bud, reflexing suddenly when flower opens. Pistillate Flower: ovary 1, superior, chamber 1, style 0--1, stigma 1, generally hair-tufted. Fruit: generally achene.
Genera In Family: 50 genera, 700 species: worldwide; some cultivated (Boehmeria, ramie; Pilea, clearweed).
eFlora Treatment Author: Robert E. Preston & Dennis W. Woodland
Scientific Editor: Thomas J. Rosatti.
Genus: ParietariaView DescriptionDichotomous Key

Common Name: PELLITORY
Habit: Hairs sparse to dense, stinging 0. Stem: branches from base, decumbent to erect, generally herbaceous. Leaf: alternate, blade 1--9 cm, lanceolate to round, entire; stipules 0; crystals round. Inflorescence: head-, spike-, or panicle-like, generally few-flowered; flowers subtended by involucre of 1--3 lance-linear bracts. Flower: sepals 4, fused below. Staminate Flower: stamens 4. Fruit: ovoid, shiny.
Species In Genus: 20--30 species: worldwide temperate, subtropics. Etymology: (Latin: wall, from habitat of some)
Unabridged Note: Parietaria floridana Nutt. collected as nursery weed in SCo.

Parietaria judaica L.
NATURALIZED
Habit: Perennial herb 1--8 dm, decumbent to erect. Stem: becoming woody. Leaf: blade 11--90 mm, narrowly lanceolate to wide-ovate, base tapered to round; tip acuminate to long-tapered. Flower: calyx lobes 2--3.5 mm. Fruit: 1--1.5 mm, 0.5--0.9 mm wide, +- black, tip acute.
Ecology: Roadsides, disturbed areas on coastal bluffs; Elevation: < 125 m. Bioregional Distribution: s ScV, CCo, SnFrB, SCo; Distribution Outside California: native to Eurasia, northern Africa. Flowering Time: Nov--Aug Note: Invasive in coastal urban settings.
eFlora Treatment Author: Robert E. Preston & Dennis W. Woodland
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Previous taxon: Parietaria hespera var. hespera
Next taxon: Parietaria pensylvanica

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Citation for this treatment: Robert E. Preston & Dennis W. Woodland 2016. Parietaria judaica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=36254, accessed on February 13, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 13, 2016.


Parietaria judaica
click for enlargement
© 2008 Neal Kramer
Parietaria judaica
click for enlargement
© 2008 Neal Kramer
Parietaria judaica
click for enlargement
© 2011 Neal Kramer
Parietaria judaica
click for enlargement
© 2011 Neal Kramer
Parietaria judaica
click for enlargement
© 2011 Neal Kramer

More photos of Parietaria judaica in CalPhotos


Geographic subdivisions for Parietaria judaica:
s ScV, CCo, SnFrB, SCo;
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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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).

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Data provided by the participants of the Consortium of California Herbaria.
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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.