
Appearance
It is a perennial herb growing to a maximum height near half a meter from a long rhizome. The thin brown stems are covered in rough hairs and resin glands. The leaves are a few centimeters long, linear to oval in shape, and often hairy. The glandular inflorescence holds several flower heads containing many violet ray florets around a center of long yellow disc florets. The fruit is a hairy achene.References:
Some text fragments are auto parsed from Wikipedia.