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FNA | Family List | FNA Vol. 8 | Ericaceae | Pyrola

2a. Pyrola asarifolia Michaux subsp. asarifolia

Bog wintergreen

Pyrola asarifolia var. purpurea (Bunge) Fernald; P. californica KrĂ­sa; P. uliginosa Torrey & A. Gray

Leaf blades round, ovate, elliptic, or reniform, margins entire or crenulate. Proximal inflorescence bracts usually as long as or longer than subtended pedicels, sometimes shorter than subtended pedicels. Flowers: calyx lobes 1.4-3.5(-4.3) mm, apices acute to acuminate; anthers (1.7-)2-3.4 mm. 2n = 46.

Flowering Apr-Jun. Dry to moist forests, bogs; 0-3200 m; Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon; Alaska, Calif., Colo., Idaho, Ind., Iowa, Maine, Mass., Mich., Minn., Mont., Nev., N.H., N.Mex., N.Y., N.Dak., Oreg., Pa., S.Dak., Utah, Vt., Wash., Wis., Wyo.; e Asia.


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