Eucnide urens

Parry

Amer. Naturalist 9: 144. 1875.

Common names: Desert stingbush
Illustrated
Basionym: Mentzelia urens Parry ex A. Gray Proc. Amer. Acad. Arts 10: 71. 1874
Treatment appears in FNA Volume 12. Treatment on page 496. Mentioned on page 494.
Revision as of 17:14, 29 July 2020 by imported>Volume Importer
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Subshrubs, moundlike (wider than tall). Leaves: blade usually unlobed, sometimes inconspicuously lobed. Pedicels (fruiting) less than 3 cm, usually curved to nodding. Flowers radially symmetric; corolla funnelform, petals connate 5 mm, 1-colored, white to cream, spatulate, to 45 mm; stamens 50+, inserted at base of corolla, included, most aggregated around style, only longer, outermost stamens spreading away from style, filaments 10–20 mm, longer than anthers. 2n = 42.


Phenology: Flowering Mar–Jul.
Habitat: Clefts in cliffs, rocky slopes, wash margins, limestone, desert scrub.
Elevation: -50–2000 m.

Distribution

V12 1092-distribution-map.jpg

Ariz., Calif., Nev., Utah, Mexico (Baja California)

Discussion

Eucnide urens is found primarily in the Mojave Desert but extends into surrounding areas. Asydates inyoensis, soft-wing flower beetles of the family Melyridae, have been found in flowers of E. urens; they collect pollen on dorsal setae and likely serve as pollinators.

Selected References

None.

Lower Taxa

None.

"elongating" is not a number.

... more about "Eucnide urens"
monomorphic +
filiform +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Larry Hufford +
Mentzelia urens +
lobed;unlobed +
Desert stingbush +
Ariz. +, Calif. +, Nev. +, Utah +  and Mexico (Baja California) +
-50–2000 m. +
Clefts in cliffs, rocky slopes, wash margins, limestone, desert scrub. +
pinnate +, serrate +  and entire +
dentate +  and crenate +
apical +, subapical +  and inferior +
0 cm0 mm <br />0 m <br /> (3 cm30 mm <br />0.03 m <br />) +
inconspicuous +
white +  and cream +
erect +  and spreading +
spatulate +
0 cm0 mm <br />0 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Flowering Mar–Jul. +
Amer. Naturalist +
flattened +, cylindric +  and ovoid +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
persistent +
distinct +
ovate +, straplike +  and lanceolate +
Illustrated +
adnate +, free +  and distinct +
included +  and exserted +
15 +  and 150 +
pendent +, prostrate +, spreading +  and erect +
papillate +
5-lobed +  and lingulate +
Sympetaleia +
Eucnide urens +
species +
dendritic +  and unbranched +
perennial +  and annual +