Sphaeralcea coccinea (Pursh) Rydb.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Densely stellate perennial 1–2 dm from deep-seated running roots, the stems often clustered on a stout caudex; lvs 2–5 cm, deeply 3-parted, the divisions variously lobed; fls in a compact, leafy raceme; pet 1–2 cm, rusty-red; mature carpels densely stellate, 1-seeded, reticulate on the sides, tuberculate on the back; 2n=10. Dry prairies and plains; w. Io. and w. Minn. to Man. and w. Tex., w. to the Rocky Mts. May, June. (Malvastrum c.)