Definitions

1. noun

a small, usually scale-like leaf or bract that is associated with a flower or inflorescence, especially in the families Ranunculaceae, Berberidaceae, and Aristolochiaceae.

“The rare orchid had delicate bracteoles that protected its tiny flowers.”

2. noun

a small, often scale-like appendage or outgrowth.

“The new species of plant had unique bracteoles along its stem.”