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Lupinus arbustus
Also called Grassland Lupine, Long Spurred Lupine, Crest Lupine, Long Spur Lupine, Spur Lupine, Spurred Lupine
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 (28 inches) tall. It is sometimes hairy in texture. Each palmate leaf is made up of 7 to 13 leaflets each up to 7 centimetres (2+3⁄4 inches) long. The inflorescence is up to 18 centimetres (7 inches) long, bearing whorls of flowers each up to 1.4 centimetres (7⁄12 inch) 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 (3⁄4 or 1+1⁄6 inches) long. There are several subspecies.
Drew's silky lupine · Fleshy lupine · Lupinus albert-smithianus · Sicklekeel lupine · Silver lupine · White Lupin · Lupinus alopecuroides · Lupinus amandus · Lupinus anatolicus · Anderson's lupine · Narrowflower lupine · Narrowleaf lupine
Text excerpted from the Wikipedia article Lupinus arbustus by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
