Stems: simple, leafy. Leaves: palmately divided, leaflets spatulate-oblanceolate, obtuse, villous beneath, glabrous above. Flowers: in a terminal raceme, keel glabrous. Fruit: pod linear-oblong, obliquely pointed, seven to nine seeded.

The showy blue blossoms of the Alpine Lupin, which are found at high altitudes, grow in many-flowered terminal racemes borne on a stoutish stalk. The individual flower-stalks are slender, the leaflets are broad at the base and somewhat rounded at the top.