Monographs Details: Sibbaldia procumbens L.
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Species Description - Flowering stems 5–10 cm, from a multicipital caudex, lfless or few- lvd below the congested cymes; basal lvs overtopping the stem; lfls cuneate to obovate, 1–3 cm, sparsely pilose, 3–5-toothed at the tip; sep longer than the bractlets, twice as long as the pet; 2n=14. Circumboreal, s. to alpine regions of e. Que. and n. N.H., and to Colo. and Calif. June, July.