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Caulophyllum giganteum
Also called Blue Cohosh, Early Blue Cohosh
Caulophyllum giganteum, the northern blue cohosh, is a species of flowering plant in the barberry family. It is native primarily to northeastern North America, where it is found in rich forests.
Caulophyllum giganteum produces around four to eighteen purple flowers in early spring. It blooms around 10–15 days earlier than its relative, Caulophyllum thalictroides. C. thalictroides also differs by having more abundant flowers that are yellow or green.
Text excerpted from the Wikipedia article Caulophyllum giganteum 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.
