Agalinis tenuifolia is 20 to 60 centimeters tall, with simple opposite leaves that are 20 to 50 millimeters long, and only 1 to 3.5 millimeters wide.
Agalinis tenuifolia is 20 to 60 centimeters tall, with a slender, paniculately branched stem. It's simple opposite leaves are 20 to 50 millimeters long, and only 1 to 3.5 millimeters wide.