Asteraceae (Sunflower family)
Group: Dicot (Broadleaf)
Erect annual herb native of North America that can grow up to 3 feet tall. It is commonly found in moist areas or wetlands, pastures, and shaded waste areas. Butterweed often emerges in the fall and overwinters as a basal rosette. Flowering occurs in the spring.
Leaf blades are folded or flat, hairy on the upper surface and smooth on the lower surface, 1/8 to I/4-inch wide and 1-1/2 to 12 inches long. Leaf sheaths can be smooth or hairy, usually with hairs only along the margin. Ligule is a short membrane fringed with hairs
Stem is erect or bent, creeping and ascending, and up to 3 feet in long.
Flowers are showy yellow clusters; blooms occur in the spring from the tall hollow flower stalks from the center of the rosette.
Root is fibrous from creeping rhizomes.
Propagation is by seed and by underground rhizomes.