vibrant yellow wildflowers in a lush garden, golden crownbeard

allelopathic america annual avalanche blooms blossom chemicals crownbeard distinctive dogtooth erythronium features field flattened flower garden golden grandiflorum grass grassland green growth herb itas lawn leaf like lily lush meadow native nature north petal plant prairie produces resembling seeds slow small species starshaped summer sunflowers sunlight susceptible vibrant violet wildflower wildflowers yellow