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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 December 07, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 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. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.