Ranunculus L. >
Petals yellow. Leaves sometimes divided into linear segments but then 1 mm wide or more and arranged in one plane only Ranunculus
Leaves lobed or deeply dissected
Either; sepals reflexed, or fewer than 5
Petals inconspicuous flowers <5 mm diam. Receptacle glabrous
Achenes tuberculate, hairy. Petals mostly 5. Blue Mts Moist places. Fl. spring Ranunculus pumiliopumilio