''Delphinium bicolour'' is a species of larkspur known as little larkspur and low larkspur. It is native to northwestern North America from

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. state, state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Dakota people, Dakota Sioux ...

, where it grows in mountain forests and foothill scrub and prairie. This is a perennial herb growing from a thickly branching root system. It produces solitary stems to in height and green with reddish bases. Most of the leaves are low on the stem and grow on short petioles. They are several centimeters long with many rounded lobes. The small

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

holds a few large flowers per stem. The flower has dark purple-blue

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 Etymology The term ''sepalum'' ...

s each about 2 centimeters long and a spur of 1 to 2 centimeters. The plant is poisonous to cattle, less so to sheep, and it is occasionally eaten by various species of wild

cervids A deer (: deer) or true deer is a hoofed ruminant ungulate of the family (biology), family Cervidae (informally the deer family). Cervidae is divided into subfamilies Cervinae (which includes, among others, muntjac, elk (wapiti), red deer, a ...

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Ecology
bicolor {{Ranunculaceae-stub