A range, not a rigid answer.
Orange blossom can be creamy or honeyed; neroli often feels bright and aromatic; petitgrain leans leafy, twiggy and bitter-green.
Deeper sensory reference
Orange blossom / neroli / petitgrain
Three clues from the bitter-orange tree: floral materials from blossoms, neroli oil from blossom distillation, and petitgrain from leaves and twigs.
floralcitrusygreenbitter
Why a perfumer may use the effect.
Links citrus, floral, green, cologne and aromatic structures.
Keep the evidence boundary visible.
Sharing a tree does not make the materials interchangeable.
Words that change the way you read it.
Citrus · white florals · cologne · green