Policeman's Helmet (Impatiens glandulifera)

• Smooth stemmed and hairless
• Plants can grow to 10 feet
• Upright, hollow stems are easily broken and have a purple tinge
• Leaf shape varies from oblong to egg-shaped, with serrated edges
• Flowers are solitary, irregular, and range from white to all shades of pink
• Flower shape resembles an English policeman’s helmet

Top photo by Barbara Takarska-Guzik, University of Silesia (bugwood.org)

Bottom photo by Jan Samanek, State Phytosanitary Administration (bugwood.org)