marestail (SOA 2+9R)

Characteristics: 

"Horseweed"; Initial leaves entire and spoon shaped with short petiole, later leaves with longer petiole and toothed margins; Internode lengths very short, so leaves have a whorled appearance; small flowers, called capitulates, are white in color, very numerous on a very branched infloresence that looks like a broom; leaves are like a rosette

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