Difference between revisions of "Urtica dioica subsp. holosericea"
Aliso 6: 68. 1967.
Selected by author to be illustrated
Basionym: Urtica holosericea Nuttall Proc. Acad. Nat. Sci. Philadelphia 4: 25. 1848
Synonyms: Urtica breweri S. Watson Urtica dioica var. holosericea (Nuttall) C. L. Hitchcock Urtica dioica var. occidentalis S. Watson Urtica gracilis var. greenei (Jepson) Jepson Urtica gracilis subsp. holosericea (Nuttall) W. A. Weber Urtica gracilis var. holosericea (Nuttall) Jepson
Treatment appears in FNA Volume 3.
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|name=Urtica holosericea | |name=Urtica holosericea | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |publication_title=Proc. Acad. Nat. Sci. Philadelphia | ||
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|genus=Urtica | |genus=Urtica | ||
|species=Urtica dioica | |species=Urtica dioica | ||
Revision as of 19:55, 24 September 2019
Stems softly pubescent, also with stinging hairs. Leaf blades abaxially sparsely to densely tomentose to moderately strigose, soft to touch, with stinging hairs, adaxially without or rarely with a few stinging hairs. Flowers unisexual, staminate and pistillate mostly on same plants. 2n = 26.
Phenology: Flowering late spring–summer.
Habitat: Alluvial woods, margins of deciduous or mixed woodlands, fencerows, waste places
Elevation: 0-3100 m
Distribution
Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo., Mexico.
Discussion
Urtica dioica subsp. holosericea is highly variable in leaf shape and degree of pubescence. The least pubescent plants appear to grade into U. dioica subsp. gracilis, and it is sometimes difficult to separate the two.
The name U. serra Blume has been misapplied to this taxon.
Selected References
None.
Lower Taxa
None.