Cup plant (Silphium perfoliatum)

Cup plant, also known as Compass plant, Cup rosin weed, Carpenter's weed, Rosinweed

The cup plant, native to the central and eastern United States, typically reaches heights of 4 to 10 feet (about 120 to 300 cm). Its bright yellow, sunflower-like flowers and large, opposite leaves that form a water-holding cup around the stem are characteristic features. Despite being indigenous, it is considered invasive in several U.S. states due to its robust growth.