Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
- Molina Rosito, A. 1975. Enumeración de las plantas de Honduras. Ceiba 19(1): 1–118. http://www.tropicos.org/Reference/866
- Ward, D. E. 1984. Chromosome counts from New Mexico and Mexico. Phytologia 56(1): 55–60. http://www.tropicos.org/Reference/289
- Isely, D. 1981. Leguminosae of the United States. III. Subfamily Papilionoideae: Tribes Sophoreae, Podalyrieae, Loteae. Mem. New York Bot. Gard. 25(3): 1–264. http://www.tropicos.org/Reference/446
- Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley. http://www.tropicos.org/Reference/1717
- Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley. http://www.tropicos.org/Reference/1719
- Wiggins, I. L. 1980. Leguminosae. 644–711. In I. L. Wiggins Fl. Baja Calif. Stanford University Press, Stanford. http://www.tropicos.org/Reference/71
- Cronquist, A. J., A. H. Holmgren, N. H. Holmgren, Reveal & P. K. Holmgren. 1989. Vascular Plants of the Intermountain West, U.S.A., FABALES. 3B: 1–279. In A. J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York. http://www.tropicos.org/Reference/35722
Regularity: Regularly occurring
Global Range: California, s. Oregon, to w. New Mexico and sw Utah; adjacent Mexico.
Comments: Coast range grassland and scrub to middle elev.; serpentine, sand bars, rocky, open and disturbed areas (Isely, 1981).
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked
Lotus humistratus is a species of legume known by the common name foothill deervetch. It is native to western North America from Idaho to Texas to northern Mexico, where it is known from many types of habitat. It is an annual herb spreading upright or taking a clumpy or matted form. It is lined with leaves each usually made up of four hairy, somewhat fleshy leaflets each up to about a centimeter long. Solitary yellow pealike flowers appear in the leaf axils. The fruit is a legume pod variable in size and shape.