Lupinus spectabilis is a species of lupine known by the common name shaggyhair lupine. It is endemic to a section of the central Sierra Nevada foothills in Mariposa and Tuolumne Counties, where it is a member of the serpentine soils flora.
Lupinus spectabilis is a hairy annual herb growing 20 to 60 centimeters tall. Each palmate leaf is made up of usually 9 leaflets measuring 1 to 4 centimeters in length. The inflorescence bears whorls of flowers each just over a centimeter in length. The flower is usually blue with a white patch on its banner, but all-white flowers have been noted. The fruit is a very hairy legume pod up to 5 centimeters long.
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