Other common names:
Purple-flowered Blue Cohosh French names:
Caulophylle Family: Barberry Family (Berberidaceae) Distinctive features:
Dark stems and leaves, at first. Blue berries. Similar species: • Blue Cohosh (Caulophyllum thalictroides) - Very similar, has greenish flowers which bloom with the leaves. Flowers: Spring; Red/Pink; 6 parts (petals) Habitat: Wet Areas Native/Non-native:
Native Notes:
There are two species of Blue Cohosh: Caulophyllum giganteum (this one) and Caulophyllum thalictroides. Caulophyllum giganteum (the one on this page) generally has dark purple/red flowers which open with or before the leaves. Caulophyllum thalictroides has lighter greenish flowers which bloom after the leaves have opened.
Photographs:
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The flowers of this species of Blue Cohosh are blooming before the leaves open.
Flowers.
Closer view of a flower.
The distinctive dark purple flowers. This species of Blue Cohosh blooms before the leaves are unfurled.
Leaves when they're still rather dark, as they unfurl. Later in the season they turn green.
