Aconitum noveboracense A.Gray
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Ranunculaceae
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Scientific Name
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Description
Species Description - Stem erect, to 1(–1.5) m, from a thickened, turnip-like root that is renewed each year, the new root alongside the old one; lvs rather few, deeply 5–7-cleft into cuneate-obovate segments, these deeply, sharply, and repeatedly incised; infl usually simple, its axis and pedicels with straight, spreading hairs 1 mm, fls few, dark purple to blue (varying to seldom white); helmet ca 14–17 mm long (measured to the tip of the beak) and about as high (or not quite so high), rounded and dome-like, the beak scarcely differentiated from the hood; 2n=16. Streambanks, talus, and cold woods; c. and ec. N.Y., ne. O., and in and near the driftless area of Wis. and Io. July–Aug. Perhaps properly to be subordinated to the cordilleran A. columbianum Nutt.
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Common Names
New York monkshood