Herbs, annual, with taproot, 3-20 dm. Stems simple or branched from base, erect. Leaf-blades ovate to broadly ovate, distal blades becoming ovatelanceolate 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.
Lower Taxa
None.
... more about "Urtica gracilenta"
sessile +
ovoid +
dehiscing +
basifixed +
narrowly triangular;lanceolate +
arranged +
ovatelanceolate;lanceolate +
unisexual +
lacking +
hooked +
stinging +
racemose +
axillary +
elongate +
ovate +
1.3mm;1.4mm +
dotted +
equal +
simple +
opposite +
dentate +
persistent +
hypogynous +
accrescent +
absent +
cuplike +
Bull. Torrey Bot. Club +
1881 +
longitudinal +
absent +
erect +
sessile +
absent +
absent +
Urtica gracilenta +
Urtica +
species +
distinct +
smaller +
equal +
annual +
pubescent +
small +