Delphinium nuttallianum

Delphinium nuttallianum is a species of larkspur known by the common names two-lobe larkspur, upland larkspur, common larkspur, and Nuttall's larkspur[1] (the latter name is shared with Delphinium nuttallii). It is widely distributed across western North America from California to Alberta, including mountain meadows and the majority of the sagebrush steppe, except very dry areas.[1]

Not to be confused with Delphinium nuttallii.

Delphinium nuttallianum
Delphinium nuttallianum in Wenas Wildlife Area
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Ranunculaceae
Genus: Delphinium
Species:
D. nuttallianum
Binomial name
Delphinium nuttallianum
Pritz. ex Walp.
Synonyms
  • Delphinium nelsonii
  • D. sonnei

The roots vary from thin to thick.[1] The plant has a white to pink erect stem usually not exceeding half a meter in height, which may branch several times. Deeply lobed leaves are located mostly about the base of the plant. The inflorescence occupying the top end of the stem has a few widely spaced flowers on long pedicels. The sepals are long and curl backwards or fold upon themselves. They may be purple to blue or almost white.[1] The lower petals are the same color, while the upper are often white. The spur is one or two centimeters long. The upper portion of the plant is often hairy.[1]

The species is very poisonous to livestock, especially cattle.[2]

References
  1. Taylor, Ronald J. (1994) [1992]. Sagebrush Country: A Wildflower Sanctuary (rev. ed.). Missoula, MT: Mountain Press Pub. Co. p. 36. ISBN 0-87842-280-3. OCLC 25708726.
  2. Whitney, Stephen (1985). Western Forests (The Audubon Society Nature Guides). New York: Knopf. p. 596. ISBN 0-394-73127-1.

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