Urtica gracilenta

Greene

Bull. Torrey Bot. Club 8: 122. 1881.

Treatment appears in FNA Volume 3.

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

V3 1155-distribution-map.gif

Ariz., N.Mex., Tex., n Mexico

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Urtica gracilenta"
0.14 cm1.4 mm <br />0.0014 m <br /> (?) +  and 0.16 cm1.6 mm <br />0.0016 m <br /> (?) +
1mm +  and 1.1mm +
acute +  and caudate +
David E. Boufford +
Greene +
truncate +  and cordate +
narrowly triangular;lanceolate +
elongate +  and rounded +
7 cm70 mm <br />0.07 m <br /> (15 cm150 mm <br />0.15 m <br />) +
ovatelanceolate;lanceolate +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Ariz. +, N.Mex. +, Tex. +  and n Mexico +
1200-2800 m +
reflexing +  and inflexed +
pistillate +, subsessile +  and short-pedunculate +
loosely +  and free +
Alluvial or calcareous soils, often in moist, shaded places +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
1.3mm;1.4mm +
ovate +  and broadly ovate +
rounded +  and linear +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
accrescent +
Flowering summer–fall, occasionally all year. +
Bull. Torrey Bot. Club +
branched +  and simple +
deciduous +  and persistent +
Urtica gracilenta +
species +
reddish +, greenish +, green +  and white +
distinct +
outer +  and inner +
2 +  and 4 +
smaller +