ribbonweed
/ˌrɪbənˈwiːd/Definitions
1. noun
A perennial herb with leaves resembling ribbons, native to North America.
“The park ranger warned visitors to avoid the invasive ribbonweed growing near the lake.”
2. noun
Any of several plants resembling the North American species, often with showy flowers or ribbons of foliage.
“The botanical garden featured a variety of ribbonweeds from different parts of the world.”