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Blue Cohosh
photo credits:
Close-up of flower
: Roger Chalkley, University of Cincinnati, McMicken College of Arts and Sciences, Department of Mathematical Sciences, Wild Flowers and Their Associates;
Close-up of berries
: Kier MorseKier's Botanical Photo Archive;
Plant: Paul T. Arnold, Young Harris College Plant Image Database

I. Caulophyllum thalictoìdes
(L.) Michx.
Blue Cohosh

Leontice thalictroides L. Sp. Pl. 312. 1753
C. thalictroides Michx. Fl. Bor. Am. I: 205. 1753.

Glabrous, glaucous when young, 1°-3° high, with 2 or 3 large sheathing bracts at the base, a large triornate nearly sessile leaf near the summit, and a generally smaller similar one near the base of the inflorescence.  Divisions of the leaves long-petioled, ternately or pinnately compound, the ultimate segments thin, 1'-3' long, oval, oblong, or oblate, 2'-3' long; , 3-5 lobed near the apex ; panicle terminal, 2'-3' long ; flowers greenish purple, 4"-6" broad ; seeds globular, 4" in diameter, glaucous, borne on stout stalks about 3" long.

In woods, New Brunswick to South Carolina, west to Manitoba, Tennessee, Nebraska and Missouri.  Ascends to 5000 ft. in North Carolina.  April-May.  Blueberry.  Blue-ginseng.  Blueberry-, squay- or papoose-root.
 
 Caulophyllum thalictroides

medicinal plant
                                                                    






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Blue Cohosh root

Drawing from Wild Roots, A Forager's Guide to the Edible and Medicinal Roots, Tubers, Corms, and Rhizomes of North America
Doug Elliot.  Healing Arts Press, Rochester, Vermont (1995)
Links
   Wisconsin Botanical Information System
   USDA Plant Profile







Basic botanical information from Nathanie1 L. Britton amd Addison Lord Brown, An Illustrated Flora of the Northern United States, Canada, and the British Possessions from Newfoundland to the Parallel of the Southern Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d Meridian, Charles Scribner's Sons, 1913

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