The flower is called 'ebracteate' if the bract is missing. The pedicel of the flower has a bract-like structure between the bract and the flower in bracteoles. These are much smaller and more delicate than the bract.
ebracteate flowers: flowers without bracts are called ebracteate flowers. For instance, mustard. An involucre is a group of bracts that appear in a whorl at the end of an inflorescence. Many Apiaceae, Asteraceae, Dipsacaceae, and Polygonaceae have an involucre beneath their inflorescences.
The flower is called bracteates if there is a bract present. The flower is called 'ebracteate' if the bract is missing. The pedicel of the flower has a bract-like structure between the bract and the flower in bracteoles. These are much smaller and more delicate than the bract.