''Lepidium nanum'', the dwarf pepperweed, is a plant species native to the US states of

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

and

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...

. It is known from four counties in

( Nye, Elko,

White Pine ''Pinus'', the pines, is a genus of approximately 111 extant tree and shrub species. The genus is currently split into two subgenera: subgenus ''Pinus'' (hard pines), and subgenus ''Strobus'' (soft pines). Each of the subgenera have been further ...

and

Eureka Eureka (often abbreviated as E!, or Σ!) is an intergovernmental organisation for research and development funding and coordination. Eureka is an open platform for international cooperation in innovation. Organisations and companies applying th ...

) but only one in

(

Tooele County Tooele County ( ) is a county in the U.S. state of Utah. As of the 2010 United States Census, the population was 58,218. Its county seat and largest city is Tooele. The county was created in 1850 and organized the following year. Tooele County ...

). It occurs in open, sunlit areas in the desert, often with gypsum, limestone, quartzite or chalky soils.Flora of North America v 7 p 587.
/ref> ''Lepidium nanum'' is a perennial herb with a woody caudex, forming mound-shaped mats on the surface of the ground. Basal leaves are obovate, up to long. There are no leaves on the stems above ground level. Flowers are yellow to creamy white, born on a raceme of up to 7 flowers. Fruits are egg-shaped, often with wings at the tips.Holmgren, N. H., P. K. Holmgren & A.J. Cronquist. 2005. Vascular plants of the intermountain west, U.S.A., subclass Dilleniidae. 2(B): 1–488. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Pub. Co., New York.

References

{{Taxonbar, from=Q15432073 nanum Flora of Utah Flora of Nevada Flora without expected TNC conservation status