Guess that Native Plant! (2/5)Version en ligne GAME 2/5: Guess the native Charles River Plant using the clues to the side of the image! Then, advance to the next game using the arrows at the top of the page! par Charles River Conservancy 1 Grows balls of pink and purple flowers Hints 1 Became main source of food for monarch butterflies through years of coevolution 2 Provides nectar for butterflies, bees, and other beneficial insects