what does it mean by bracteate or ebracteate

Bracts are small leaf-like structures present at the base of the flower stalk or pedi.

Flowers that have bracts  at the base of pedicel (stalk of flower) are called bracteated flower.

For example- Tulip, Asparagus

Flowers that do not have bracts are called ebracteated flowers. For example- Mustard

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