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.)
A tuber plant which keeps growing from year to year. The leaf stalk is mottled. It is 80 cm high. There is a single leaf with leaflets which radiate. There are 7-15 oblong leaflets. These are 10-20 cm long. The flower appears below the leaves. The bract around the flower is narrow and hooded. It is green and 5-7 cm long. The flower spike is fleshy and 15 cm long. It is white at the base and forms threads and is green at the tip.