Lupinus succulentus is a species of lupine known by the common names hollowleaf annual lupine, arroyo lupine, and succulent lupine.
Lupinus adsurgens is a species of lupine known by the common name Drew's silky lupine. It is native to the Sierra Nevada and coastal mountain ranges of northern California and southern Oregon, where it grows in forest and other mountain habitat.
Lupinus affinis is a species of lupine known by the common name fleshy lupine. It is native to the California Coast Ranges from the San Francisco Bay Area north, and into southern Oregon, where it is an uncommon member of the flora in several areas.
Lupinus andersonii is a species of lupine known by the common name Anderson's lupine.
Lupinus antoninus is a rare species of lupine known by the common name Anthony Peak lupine. It is endemic to northern California, where it is known from only four occurrences in the North Coast Ranges, including near Anthony Peak.
Lupinus arbustus is a species of lupine known by the common name longspur lupine. It is native to western North America from British Columbia to California to Utah, where it grows in several types of habitat, including sagebrush and forests. This is a perennial herb growing erect to a maximum of 70 centimetres tall. It is sometimes hairy in texture. Each palmate leaf is made up of 7 to 13 leaflets each up to 7 centimetres long. The inflorescence is up to 18 centimetres long, bearing whorls of flowers each up to 1.4 centimetres long. The calyx of sepals around the base of the corolla has a knoblike spur at the back. The flower corolla is white to yellow to various shades of purple or pink. The fruit is a hairy legume pod 2 or 3 centimetres long. There are several subspecies.
Lupinus argenteus is a species of lupine known by the common name silvery lupine. It is native to much of western North America from the southwestern Canadian provinces to the southwestern and midwestern United States, where it grows in several types of habitats, including sagebrush, grassland, and forests.
Lupinus benthamii is a species of lupine known by the common name spider lupine.
Lupinus cervinus is a species of lupine known by the common name Santa Lucia lupine. It is endemic to the Santa Lucia Mountains in the Central Coast Ranges in California, where it is an uncommon member of the flora in the mountain forests. This is a hairy gray-green perennial herb growing up to 30–70 centimetres (12–28 in) tall. The erect stem is surrounded by clusters of spreading leaves. Each palmate leaf is made up of 4 to 8 leaflets up to 8 centimetres (3.1 in) long and 3 centimetres (1.2 in) wide, which is wider than the leaflets of most lupines. The inflorescence bears many flowers, sometimes in whorls, each between 1 centimetre (0.39 in) and 2 centimetres (0.79 in) long. The flower is often bright pink, but may be shades of blue to nearly white. There is often a yellow patch on the banner. The fruit is a hairy legume pod up to 6 centimetres (2.4 in) long.
Lupinus chamissonis is a species of lupine known by the common name Chamisso bush lupine. It is endemic to California, where it is known from most of the length of the coastline. It grows in sand dunes and other immediate coastal habitat.
Lupinus croceus is a species of lupine known by the common names saffron-flowered lupine and Mt Eddy Lupine. It is endemic to the northernmost mountains of California, clustering in the Klamath Mountains, where it grows in generally dry, rocky habitat.
Lupinus duranii is a species of lupine known by the common name Mono Lake lupine. It is endemic to California, where it is known mainly from the eastern slopes of the Sierra Nevada in western Mono County. Its distribution includes Mammoth Mountain and the hills around Mono Lake, and its habitat has gravelly, pumice-rich soils of volcanic origin.
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 holmgrenianus is a species of lupine known by the common name Holmgren's lupine. It is native to the desert mountains of western Nevada and a few ranges of adjacent Inyo County, California, including the Last Chance Range of Death Valley National Park. This is a hairy perennial herb growing erect to a maximum height near 70 centimetres (28 in). Each palmate leaf is made up of 4 to 7 leaflets up to 5 centimetres (2.0 in) long. The inflorescence is a spiral of flowers each just over a centimeter long. They are purple in color with yellow patches on their banners. The fruit is a hairy legume pod 4 or 5 centimeters long.
Lupinus littoralis is a species of lupine known by the common name seashore lupine. It is native to the coastline of western North America from British Columbia to northern California, where it grows in sandy habitat.
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 nevadensis is a species of lupine known by the common name Nevada lupine. It is native to the western Great Basin in Nevada and adjacent sections of Oregon and California, where it grows in sagebrush and other typical basin habitat. It is an erect perennial herb growing 10 to 40 centimeters tall. Each palmate leaf is made up of 6 to 10 hairy leaflets up to 5 centimeters long. The stem and herbage are coated in long hairs. The inflorescence is a spiral of flowers each around 1 centimeter in length. The flower is blue with a whitish patch on its banner and a curved keel. The fruit is a very hairy legume pod up to 4 centimeters long.
Lupinus pratensis is a species of lupine known by the common name Inyo meadow lupine. It is endemic to California, where it grows in the central Sierra Nevada and adjacent plateau and valleys to the east. It grows in relatively moist habitat, such as streambanks and spring meadows. This is an erect perennial herb growing 30–70 centimetres (12–28 in) tall. Each palmate leaf is made up of 5 to 10 narrow leaflets sometimes exceeding 10 centimetres (3.9 in) long. The leaves are borne on long petioles which can reach 25 centimetres (9.8 in) in length. The herbage is green and coated in thin hairs. The inflorescence is a dense raceme of many flowers each around a centimeter long. The flower is dark blue or purple with a reddish or orange patch on its banner. The fruit is a hairy legume pod around 2 centimetres (0.79 in) long.
Lupinus rivularis is a species of lupine known by the common name riverbank lupine native to North America. It is also commonly known as river lupine, streambank lupine, and stream lupine.
Lupinus sericeus is a species of flowering plant in the legume family known by the common name silky lupine or Pursh's silky lupine. It is native to western North America from British Columbia to Arizona and east to Alberta and Colorado.
