Difference between revisions of "Urtica gracilenta"
Bull. Torrey Bot. Club 8: 122. 1881.
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|genus=Urtica | |genus=Urtica | ||
|species=Urtica gracilenta | |species=Urtica gracilenta | ||
Revision as of 20:52, 24 September 2019
Herbs, annual, with taproot, 3-20 dm. Stems simple or branched from base, erect. Leaf blades ovate to broadly ovate, distal blades becoming ovate-lanceolate to lanceolate, 7-15 × 5-10 cm, base truncate to cordate, margins coarsely dentate, apex acute to caudate; cystoliths rounded or occasionally elongate. Inflorescences racemose, elongate. Flowers unisexual, staminate and pistillate in separate inflorescences, or with a few pistillate flowers at apex of staminate inflorescences, subsessile to short-pedunculate. Pistillate flowers: outer tepals lanceolate to narrowly ovate, 0.8-1 mm, inner tepals broadly ovate, 1.4-2.2 × 1.3-1.4 mm. Achenes ovoid, 1.4-1.6 × 1-1.1 mm. 2n = 26.
Phenology: Flowering summer–fall, occasionally all year.
Habitat: Alluvial or calcareous soils, often in moist, shaded places
Elevation: 1200-2800 m
Distribution
Ariz., N.Mex., Tex., n Mexico.
Discussion
Selected References
None.