Lupinus benthamii
 Lupinus benthamii is a species of lupine known by the common name spider lupine. It is endemic to central California where it is known from the Central Coast Ranges across the Central Valley into the Sierra Nevada foothills. It is common in some areas covering hillsides with its blue blooms in the spring. This is a hairy annual herb growing 20–70 centimetres (7.9–27.6 in) tall. Each palmate leaf is made up of 7 to 10 leaflets each up to 5 centimetres (2.0 in) long.