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Delphinium tricorne
Delphinium tricorne, known by the common names dwarf larkspur or spring larkspur, is a species of flowering plant in the Ranunculaceae (buttercup) family. It is native to the central and eastern United States, where it is the most common Delphinium found.
The diterpenoid alkaloids lycoctonine and tricornine (otherwise known as lycoctonine-18-O-acetate) have been isolated from D. tricorne. The toxicology and pharmacology of lycoctonine have been quite well studied, but there is only limited information available concerning the biological properties of tricornine. Both alkaloids have neuro-muscular blocking properties, and D. tricorne should be treated as a potentially poisonous plant. This species has long been regarded as poisonous to livestock.
D. tricorne is native to portions of the central and eastern United States from eastern Nebraska to the west, southwestern Pennsylvania to the east, the Carolinas and Georgia to eastern Oklahoma to the south, and Minnesota to the north. It is found in rich mesic forests and moist prairies, often over calcareous or mafic rocks, or less commonly over very fertile alluvium deposits.
Doubtful knight's-spur · Consolida armeniaca · Consolida oliveriana · Royal knight's-spur · Anderson's larkspur · Baker's delphinium · Subalpine larkspur · Little larkspur · Musk Larkspur · California larkspur · Delphinium calthifolium · Scarlet larkspur
Text excerpted from the Wikipedia article Delphinium tricorne 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.
