Cypripède mocassin

Cypripedium pubescens Willdenow var. makasin Farwell, Rep. (Annual) Michigan Acad. Sci. 20: 198. 1918

Bracts: abaxial surface of distalmost sheathing bract (and often the next) sparsely and inconspicuously pubescent or glabrous when young. Leaves (2–)3–5, on proximal portion of or more evenly spaced along stem, alternate, erect to spreading; blade orbiculate or broadly ovate to elliptic-lanceolate, 5.2–18.5 × 1.6–14.3 cm. Flowers 1–2(–3), small, scent intense, sweet; sepals and petals usually suffused with dark reddish brown or madder, or in west often spotted and blotched; lip oblance-ovoid to calceolate, 15–29 mm; orifice 10–17 mm. 2n = 20.

Flowering May--Aug. Mesic to wet fens, prairies, meadows, thickets, open coniferous and mixed forest; mostly 0--1500 m; Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., Ont., P.E.I., Que., Sask., Yukon; Alaska, Calif., Conn., Ill., Ind., Iowa, Maine, Mass., Mich., Minn., Mont., N.J., N.Y., N.Dak., Ohio, Pa., Utah, Vt., Wash., Wis.