Lupinus sparsiflorus is a species of lupin native to North America. In the United States it occurs in California, Nevada, Arizona and Utah, and in Mexico it is found in Baja California and Sonora. Other common names include Mojave lupine, a name it shares with Lupinus odoratus.
Lupinus succulentus is a species of lupine known by the common names hollowleaf annual lupine, arroyo lupine, and succulent lupine.
Lupinus bicolor is a species of lupine known as the miniature lupine, Lindley's annual lupine, pigmy-leaved lupine, or bicolor lupine.
Lupinus andersonii is a species of lupine known by the common name Anderson's lupine.
Lupinus angustiflorus is a species of lupine known by the common name narrowflower lupine. It is endemic to California, where it grows in the volcanic soils of the northeastern mountains and Modoc Plateau. It is an erect perennial herb sometimes exceeding one meter in height. Each palmate leaf is made up of 6 to 9 leaflets each up to 6 centimeters long. The inflorescence is up to 34 centimeters long, bearing many flowers each of which is roughly a centimeter long. The flower is cream to pale yellow-orange with a patch of deeper yellow or orange on its banner. The keeled lower petals may be tipped with lavender. The fruit is a hairy legume pod up to 4 centimeters long.
Lupinus benthamii is a species of lupine known by the common name spider lupine.
Lupinus brevicaulis is a species of lupine known by the common names shortstem lupine and sand lupine. It is native to the southwestern United States, including Oregon, California, Nevada, Utah, Colorado, Arizona, and New Mexico, where it grows in many types of sandy habitat.
Lupinus concinnus is a species of lupine known by the common name Bajada lupine. It is native to the southwestern United States from California to Texas, and northern Mexico, where it is known from many types of habitat. This is a hairy erect or decumbent annual herb with a stem growing 10 to 30 centimeters long. Each small palmate leaf is made up of 5 to 9 leaflets up to 3 centimeters long and under a centimeter wide, sometimes narrow and linear in shape. The inflorescence is a dense spiral of flowers, with some flowers also appearing in leaf axils lower on the plant. Each flower is 5 to 12 millimeters long and purple, pink, or nearly white in color. The fruit is a hairy legume pod around a centimeter long.
Lupinus constancei is a species of lupine known by the common name The Lassics lupine, or lassicus lupine. It is endemic to California, where it is known from only two occurrences in the Lassic Range in the North Coast Ranges. It is a member of the serpentine soils flora of the mountain forests. This is a low, mat-forming perennial herb no more than 15 centimeters high. Each small palmate leaf is made up of 6 or 7 leaflets up to 2 centimeters long and one wide. The herbage is coated in long, shaggy hairs. The inflorescence is a small, dense clump of several centimeter-long flowers. Each flower is pink in color with darker pink at the tip of the keel. The yellowish banner is reflexed. The fruit is a hairy legume pod 1.5 to 2.5 centimeters long.
Lupinus flavoculatus is a species of lupine known by the common name yelloweyes, or yellow-eyed lupine.
Lupinus guadalupensis is a rare species of lupine known by the common name Guadalupe Island lupine. It is known only from San Clemente Island, one of the Channel Islands of California, and Guadalupe Island off the coast of Baja California. It is a member of the coastal scrub growing alongside other island endemics and more common plants. This is an annual herb growing 20 to 60 centimeters high. Each palmate leaf is made up of 7 to 9 narrow leaflets up to 5 centimeters long and just a few millimeters wide, sometimes linear in shape. The inflorescence bears whorls of flowers each about a centimeter long and blue in color with a white banner patch which may fade pink. The fruit is a very hairy legume pod up to 6 centimeters long and about one wide. It contains 6 to 8 seeds.
Lupinus hirsutissimus is a species of lupine known by the common names stinging annual lupine or stinging lupine. It is native to the coastal mountains of Baja California and Southern California as far north as the San Francisco Bay Area. It grows on dry mountain slopes, including areas that have recently burned, and chaparral and woodlands habitats.
Lupinus hyacinthinus is a species of lupine known by the common name San Jacinto lupine. It is native to the mountains of southern California and adjacent Baja California, where it grows in dry areas, often in pine forests.
Lupinus longifolius is a species of lupine known by the common name longleaf bush lupine.
Lupinus luteolus is a species of lupine known by the common names pale yellow lupine and butter lupine. It is native to the coastal mountain ranges of Oregon and California as far south as the Transverse Ranges, where it grows in open habitat such as clearings and sometimes disturbed areas. It is an annual herb with a rigid stem growing to maximum heights anywhere between 30 centimeters and 1.5 meters, and known to exceed that at times. Each palmate leaf is made up of 7 to 9 hairy leaflets 1 to 3 centimeters long. The inflorescence is a raceme of crowded whorls of flowers each just over a centimeter long. The flower is often pale to bright yellow, but can be blue or pinkish. The fruit is a hairy, rounded or oval legume pod generally containing 2 seeds.
Lupinus peirsonii is a rare species of lupine known by the common names Peirson's lupine and long lupine. It is endemic to the San Gabriel Mountains of Los Angeles County, California, where it grows in woodland and forest habitat. It is an erect, branching perennial herb growing 30 to 60 centimeters tall. Each palmate leaf is made up of 5 to 8 fleshy leaflets up to 7 centimeters long. The herbage is coated in silvery silky hairs. The inflorescence is a raceme of whorled yellow flowers each about a centimeter in length. The fruit is a silky-haired legume pod 3 or 4 centimeters long.
Lupinus saxosus is a species of lupine known by the common name rock lupine. It is certainly native to eastern Washington, eastern Oregon, and the northeast corner of California,where it grows in sagebrush and other habitat. It may also be native to Idaho and Nevada.
Lupinus sericatus is a species of lupine known by the common name Cobb Mountain lupine. It is endemic to the North Coast Ranges of California north of the San Francisco Bay Area, where it grows in the forest, woodlands, and chaparral of the slopes and canyons. It easily colonizes disturbed habitat as well. This is a perennial herb growing up to half a meter tall. Each palmate leaf is made up of 4 to 7 distinctive wide spoon-shaped leaflets each 3 to 5 centimeters long. The inflorescence is a raceme of several whorls of purple flowers, each flower between 1 and 2 centimeters long. The fruit is a hairy legume pod 2 or 3 centimeters long.
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 stiversii is a species of lupine known by the common names harlequin annual lupine and harlequin lupine. The plant was named for Army physician Dr. Charles Austin Stivers, who first collected it in 1862 near Yosemite.
