|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:||View Description||Dichotomous Key|
Urtica dioica L.
Habit: Perennial herb 5--30 dm, from rhizome, +- erect, stinging hairs few to many, non-stinging 0 to dense, generally shorter. Leaf: blade 6--20 cm, narrow-lanceolate to wide-ovate, base tapered to cordate. Inflorescence: spike-, raceme-, or panicle-like, 1--7 cm, generally > petiole, of staminate or pistillate flowers. Fruit: ovate.
Note: Urtica dioica subsp. dioica dioecious, native to Eurasia; naturalized in North America; report from California in FNANM based on an unconfirmed collection.
eFlora Treatment Author: Robert E. Preston & Dennis W. Woodland
Jepson Online Interchange
Previous taxon: Urtica
Next taxon: Urtica dioica subsp. gracilis
Citation for this treatment: Robert E. Preston & Dennis W. Woodland 2017. Urtica dioica, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=47575, accessed on February 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 26, 2017.