| Trifolium leibergii | |
|---|---|
| Conservation status | |
 Imperiled (NatureServe) | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Trifolium |
| Species: | T. leibergii |
| Binomial name | |
| Trifolium leibergii A.Nelson & J.F.Macbr. | |
Trifolium leibergii is a species of flowering plant in the legume family known by the common name Leiberg's clover. It is native to Oregon and Nevada in the United States.
This clover is a perennial herb growing 10 to 15 centimeters tall. The plant has a coating of gray hairs. The leaves are each made up of three spine-tipped leaflets. The inflorescence is a head of several flowers which are cream-colored with tinges of pink or purple. Blooming occurs in June and July.
This plant grows in soils of decomposing tuff, a volcanic ash substrate. The plants grow in cracks in the soil, so that they can appear to be growing in a straight line. There is little other vegetation in the habitat, but associated plants may include Artemisia arbuscula.
This plant may have a disjunct distribution, but it is possible more populations occur in the 300 kilometers between the two population centers in southern Oregon and northern Nevada.
References
- NRCS. "Trifolium leibergii". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 15 December 2015.
- ^ Trifolium leibergii. Archived 2011-10-26 at the Wayback Machine Center for Plant Conservation.
- ^ Trifolium leibergii. NatureServe.
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