Hosackia incana, synonym Lotus incanus, is a species of legume native to California. It is known by the common name woolly bird's-foot trefoil. It is endemic to the Sierra Nevada of California, where it grows in forests and other mountain habitat.
Hosackia incana is a hairy, erect perennial herb lined with leaves each made up of silky-haired oval leaflets up to 1.6sp=usNaNsp=us long. The inflorescence bears 3 to 8 red-veined or pinkish white pealike flowers each up to about 2sp=usNaNsp=us long. The fruit is a narrow, mostly hairless legume pod up to 3.5sp=usNaNsp=us long.