[ad. L. bracteola (also used unchanged) a thin leaf of gold, also (mod.), a small bract.] A small bract, a bractlet.
1830. Lindley, Nat. Syst. Bot., 165. Calyx … occasionally with 2 bracteolæ at the base.
1876. Harley, Mat. Med., 709. Calyx usually surrounded by three narrow bracteoles.
