Arisaema dracontium (L.) Schott
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Green dragon; dragon-root. Lf usually solitary, the long petiole 2–5 dm at anthesis, later to 1 m, pedately divided into 7–15 lfls, these elliptic to oblanceolate, acuminate, sometimes confluent below, the central ones 1–2 dm, the outer progressively smaller; peduncle arising from a basal sheath, shorter than the petiole; spathe green, slender, convolute, 3–6 cm, pointed; spadix tapering to a long slender point exserted 5–10 cm beyond the spathe; fr orange-red; 2n=28, 56. Damp woods; Que. to Minn., s. to Fla. and Tex., commoner westward. Spring. (Muricauda d.)
green- dragon, dragon-root