Lupinus arboreus, the yellow bush lupine (US) or tree lupin (UK), is a species of flowering plant in the legume family Fabaceae.
Lupinus excubitus is a species of lupine known as the grape soda lupine. Its common name refers to its sweet scent, which is said to be very reminiscent of grape soda. This species and its variants are found in Southwestern United States, especially in California and Nevada, e.g., Death Valley and Joshua Tree National Parks, and northwestern Mexico.
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 albicaulis is a species of lupine known by the common name sicklekeel lupine. It is native to the western United States from Washington to California, where it grows mostly in mountain habitat. It is a hairy, erect perennial herb often exceeding a meter in height. Each palmate leaf is made up of 5 to 10 leaflets each up to 7 centimetres long. The inflorescence is up to 44 centimetres (17 in) long, bearing whorls of flowers each 1 to 1.6 centimetres long. The flower is purple to yellowish or whitish in color and has a sickle-shaped keel. The fruit is a silky-hairy legume pod up to 5 centimetres (2 in) long containing several seeds. In Oregon, where the plant is native, it has been cultivated for several uses, including reforestation and revegetation of roadsides and other disturbed habitat.
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 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. This is a perennial herb growing erect to heights anywhere between 10 centimetres (3.9 in) and 1.5 metres (4.9 ft). It is sometimes silvery-hairy in texture and sometimes nearly hairless. Each palmate leaf is made up of 5 to 9 leaflets each up to 6 centimetres long. They are narrow and linear in shape, under a centimetre wide. The inflorescence bears many flowers, sometimes arranged in whorls. The flower is 5 millimetres (0.20 in) to 14 millimetres (0.55 in) long and purple, blue, or whitish in color. The banner, or upper petal, of the flower may have a patch of white or yellow. The fruit is a hairy legume pod up to 3 centimeters long containing several beanlike seeds. The plant is an important food source for butterflies. It also attracts birds and hummingbirds.
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 citrinus is a species of lupine known by the common names orange lupine, orangeflower lupine, and fragrant lupine. It is endemic to California, where it is known from a section of the Sierra Nevada foothills extending from Mariposa to Fresno Counties. This is an annual herb growing 10–60 centimetres (3.9–23.6 in) tall. Each palmate leaf is made up of 6 to 9 leaflets up to 3.5 centimetres (1.4 in) long. The herbage is coated in tiny white hairs. The inflorescence bears several flowers, sometimes in whorls. Each flower is roughly a centimeter long and orange to yellow to white in color. The fruit is a legume pod 1 or 2 centimetres (0.79 in) long containing seeds which resemble "pieces of granite."
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 elmeri is an uncommon species of lupine known by the common names Elmer's lupine and South Fork Mountain lupine. It is endemic to California, where it is known only from a few scattered occurrences in the northernmost slopes of the North Coast Ranges, in Trinity county.
Lupinus flavoculatus is a species of lupine known by the common name yelloweyes, or yellow-eyed lupine.
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 lapidicola is a rare species of lupine known by the common name Mt. Eddy lupine. It is endemic to California, where it is known from only a few locations in the northernmost mountain ranges, including Mount Eddy in the Klamath Mountains. It is a small, compact perennial herb forming mats no more than 10 centimetres (3.9 in) tall. Each palmate leaf is divided into 6 to 8 leaflets up to 2 centimetres (0.79 in) long. The herbage is coated in silvery silky hairs. The inflorescence is a small bundle of flower whorls, each flower about a centimeter long and purple in color with a yellowish patch on its banner.
Lupinus obtusilobus is a species of lupine known by the common name bluntlobe lupine. It is native to high mountains of northern California, including the North Coast Ranges, the Klamath Mountains, and the northernmost Sierra Nevada. It grows in various types of mountain habitat, sometimes carpeting meadows with its purple blooms in the spring. It is a perennial herb growing erect or decumbent along the ground, its stem 15–30 centimetres (5.9–11.8 in) long. Each palmate leaf is made up of 6 to 7 leaflets up to 5 centimetres (2.0 in) long. The herbage is coated in silvery silky hairs. The inflorescence is a small raceme with a few whorls of flowers each just over a centimeter long. The flower is blue to purple with a yellowish patch on its banner. The fruit is a silky-haired legume pod up to 4 centimetres (1.6 in) long.
Lupinus padre-crowleyi is a rare species of lupine known by the common names Father Crowley's lupine and DeDecker's lupine. It is endemic to California, where it is known only from the eastern slopes of the Sierra Nevada and the high plateau below along the western border of Inyo County. It grows in the granite soils of the mountain forests and scrub. It has been noted at fewer than 20 locations. This is a perennial herb growing an erect inflorescence from a mat of silvery, woolly-haired herbage, reaching maximum heights over half a meter. Each palmate leaf is made up of 6 to 9 leaflets up to 7.5 centimeters long. The inflorescence is a raceme of whorled flowers each just over a centimeter long. The flower is cream to pale brownish yellow in color. The fruit is a silky-haired legume pod containing black-mottled white seeds.
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 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.
