''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 (commonly abbreviated as BC) is the westernmost Provinces and territories of Canada, province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include ...

South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. 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 Lakota people, Lakota and Dakota peo ...

, 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 An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed ...

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 The term ''sepalum'' was coined ...

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 Deer or true deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the muntjac, the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the reindeer ...

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Ecology
bicolor {{Ranunculales-stub