Bloom A fine powdery coating. (Also can simply mean a flower.) Did you know? The pale coating on grapes, blueberries, and plums is a natural waxy bloom, not dust or pesticide residue.
Glossary: Flower / inflorescence morphology
Purdue Arboretum botanical terminology reference and learning database.
Flower / inflorescence morphology
Bract A modified leaf, which is part of a flower cluster, or which surrounds a flower. Did you know? The bright red “petals” of a poinsettia are actually bracts. The true flowers are the tiny yellow structures in the center.
Bud A growth point from which a leaf, stem, or flower can develop Did you know? Tree buds are powerful winter identification clues because each species has distinctive bud shape, color, size, and arrangement.