Brickellia cylindracea, the gravelbar brickellbush, is a North American species of flowering plants in the family Asteraceae. It is found only in central Texas.Biota of North America Program 2014 county distribution map
Brickellia cylindracea is a perennial up to 120 cm (4 feet) tall, growing from a woody caudex. It produces many small flower heads with greenish, yellow, or yellow-orange disc florets but no ray florets.Flora of North America, Brickellia cylindracea A. Gray & Engelmann
References
External links photo of herbarium specimen at Missouri Botanical Garden, type specimen of Brickellia cylindracea Excerpts from Jim Conrad's Naturalist Newsletter