|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Urticaceae||View Description||Dichotomous Key|
|Genus: Urtica||View Description||Dichotomous Key|
|Species: Urtica dioica||View Description||Dichotomous Key|
Urtica dioica subsp. holosericea (Nutt.) Thorne
Habit: Generally monoecious. Stem: 10--30 dm. Leaf: narrow-lanceolate to wide-ovate. Chromosomes: 2n=26.
Ecology: Meadows, seeps, springs, margins of marshes, streams, lakes, moist areas in chaparral, coastal scrub; Elevation: < 3370 m. Bioregional Distribution: CA-FP (exc but expected NCo, SNF), GB, DMoj (uncommon); Distribution Outside California: western United States, northern Mexico. Flowering Time: Jun--Sep Note: Plants in shade tend to have wider leaves, fewer hairs, so approach Urtica dioica subsp. gracilis.
Synonyms: Urtica holosericea Nutt.
eFlora Treatment Author: Robert E. Preston & Dennis W. Woodland
Jepson Online Interchange
Previous taxon: Urtica dioica subsp. gracilis
Next taxon: Urtica urens
Citation for this treatment: Robert E. Preston & Dennis W. Woodland 2017. Urtica dioica subsp. holosericea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=53303, accessed on April 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 26, 2017.