A range, not a rigid answer.
Dry grass, roots, earth, grapefruit peel, smoke, nuts, minerals or clean wood.
Deeper sensory reference
Vetiver
A grass-root material world that can be natural, fractionated, reconstructed or used as a style word.
rootygrassysmokymineral
Why a perfumer may use the effect.
Adds dryness, tension, freshness, earth and a long woody-green line.
Keep the evidence boundary visible.
Vetiver fragrances can emphasize very different facets; the note is not one fixed odor.
Words that change the way you read it.
Citrus · cedar · patchouli · green