Silphium trifoliatum (Whorled Rosinweed)

Whorled Rosinweed, scientifically known as Silphium trifoliatum, is a perennial flowering plant that belongs to the Asteraceae family. It is a tall and robust plant, reaching a height of about 3 to 9 feet. Whorled Rosinweed features distinctive whorls of three leaves and bright yellow, daisy-like flowers that bloom during late summer. This plant is native to North America and can be found in prairies, open woodlands, and along streambanks. It is a great addition to a wildflower garden or naturalistic landscape.