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.
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