Geum triflorum Pursh

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Rosaceae

• Scientific Name

  Geum triflorum Pursh

• Description

  Species Description - Stems 2–4 dm from a short, stout rhizome, hairy throughout; basal lvs 1–2 dm, oblanceolate, pinnately compound; lfls 7–17, the lateral progressively larger toward the lf-tip, cuneate-oblong, to 5 cm, irregularly laciniate or lobed, the terminal one similar but wider, often confluent with the upper lateral ones and scarcely larger than them; cauline lvs few and small, laciniate; peduncles eventually to 1 dm; fls nodding, broad-based, narrowed distally in life; sep shorter than the linear bractlets; pet purplish, 8–12 mm, about equaling the bractlets, suberect; mature styles 3–5 cm, strongly plumose except the terminal 2–5 mm; 2n=42. Dry woods and prairies; w. N.Y. to Minn. and Io., w. to B.C. and Calif. May, June. Our plants are var. triflorum. (Sieversia t.)

• Common Names

  prairie smoke