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22a. Physaria didymocarpa (Hooker) A. Gray subsp. didymocarpa
Physaria macrantha Blankinship
Trichomes somewhat spreading (on herbage), loose and spreading (on fruits). Basal leaves: blade margins repand to dentate. Fruits moderately inflated, (firm); ovules 8 per ovary. 2n = 16, 24, 56?
Flowering May-Aug. Gravel bars, steep shale outcrops, rocky flats, gravelly prairies, talus slopes, dry hillsides, road cuts, mountains and foothills; 500-3100 m; Alta., B.C.; Idaho, Mont., Wash., Wyo.
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