Croton glandulosus var. septentrionalis Müll.Arg.
Family: Euphorbiaceae
vente conmigo,  more...
[Croton glandulosus var. angustifolius Müll. Arg.,  more...]
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From Flora of Indiana (1940) by Charles C. Deam

This is undoubtedly a species adventive from the south. It is now found in fallow fields, roadsides, and roadside ditches. Pepoon reports it from the sand flats of Lake and Porter Counties.