Liatrix

NaturalFLOWERSfloral · sweet · green

HeartPyramid

3/5Strength

—Tenacity

1Origins

Specimen

Carphephorus odoratissimus (J.F.Gmel.) H.Rob. (syn. Liatris odoratissima)

Definition

Warm, golden, coumarinic. Dried liatris leaves smell like tonka bean crossed with cured tobacco — a hay-sweet fixative so rich in natural coumarin that it crystallises visibly on the leaf surface.

Deertongue absolute, deer tongue, vanilla leaf, Carolina vanilla

Type: Ingredient
Olfactive family: Florals
Subfamily: Hay-sweet florals
Cluster: Coumarinic-balsamic
Source: dried leaves
Chemical class: complex natural

Instruments

Pyramid

TTop

HHeart

BBase

3/5Strength

Medium

odour strength

Producing countries

United States (Southeastern)

Scent

Warm, golden, unmistakably coumarinic — like burying your face in a bale of sun-dried hay. Sweeter than tonka bean, less vanillic, with a pronounced herbaceous-green undertow that tonka lacks. Where tonka is round and confectionery, liatrix is drier, more vegetal, closer to dried sweet clover. A faint coconut-creamy note from dihydrocoumarin surfaces underneath. On blotter after hours: cured tobacco leaf, warm almond skin, a trace of cherry pit.

In PREMIEREPEAU

DISCOVERY SET7 × 2 ml →EXTRAIT DE PARFUMThe seven extraits →

Terroir & Origins

The Full Story

Liatrix absolute is extracted from the dried leaves of Carphephorus odoratissimus (syn. Liatris odoratissima), a perennial wildflower native to the southeastern United States, commonly called deer tongue or vanilla leaf. The perfumery material is not derived from the flowers or roots — it comes exclusively from the leaves, which develop their characteristic aroma only after drying.

Fresh liatris leaves are nearly odorless. Coumarin exists in the living plant as an odorless glucoside of o-hydroxycinnamic acid. During sun-drying, beta-glucosidase enzymes hydrolyse this precursor, releasing free o-hydroxycinnamic acid that spontaneously undergoes intramolecular lactonisation to form crystalline coumarin — the same molecule responsible for the scent of tonka bean, fresh-cut hay, and sweet woodruff. In dried liatris leaves, coumarin concentrations can exceed 10% of dry weight.

GC-MS analysis of liatrix absolute reveals coumarin at 50-75% — significantly higher than tonka bean absolute (20-45%). Dihydrocoumarin contributes 5-20%, adding a sweet, coconut-creamy quality absent in purely coumarinic materials. Supporting compounds include geraniol (~4%), linalool (~4%), benzyl benzoate, and benzoic acid.

In perfumery, liatrix absolute functions as a powerful fixative with 2-3 days of tenacity on blotter. It anchors fougere compositions (reinforcing the lavender-coumarin-oakmoss triad), enriches tobacco accords with authentic cured-leaf character, and bridges gourmand and balsamic elements in amber bases. Synthetic coumarin (CAS 91-64-5) has largely replaced it in commercial formulas, but the natural absolute retains a complexity — herbaceous, slightly bitter, with tobacco undertones — that the pure molecule cannot replicate.

Extraction & Chemistry

Extraction method

Solvent extraction of sun-dried leaves. Fresh Liatris odoratissima leaves are harvested and sun-dried until coumarin crystallises on the leaf surface (coumarin content develops through enzymatic hydrolysis during drying — fresh leaves are nearly odorless). The dried leaf material is extracted with a volatile hydrocarbon solvent (hexane or petroleum ether) to yield a concrete — a dark, waxy paste. This concrete is then washed with ethanol and subjected to freezing (glazing at approximately 0 degrees C) to precipitate waxes, filtered, and the alcohol evaporated to yield the absolute: a dark green to brown, viscous, oleoresinous liquid. Yield data for the absolute are not widely published. Steam distillation produces negligible essential oil and is not used commercially.

Formula: Complex mixture (contains coumarin as major aromatic compound)
CAS: 68602-86-8 (absolute); 68606-82-6 (oil)
Botanical: Carphephorus odoratissimus (J.F.Gmel.) H.Rob. (syn. Liatris odoratissima)
Appearance: Colorless to pale yellow liquid
Odour strength: Medium
Synonyms: Deertongue absolute, deer tongue, vanilla leaf, Carolina vanilla

IFRA status

Restricted

Restricted — max 2.0% in fragrance concentrate (TGSC). Contains coumarin (50-75%), subject to IFRA coumarin limits across all categories. EU allergen declaration required above 10 ppm in leave-on, 100 ppm in rinse-off products.

Physical properties

Note: Contains coumarin as major aromatic component

In Perfumery

Fixative and coumarinic base note. Liatrix absolute is one of the richest natural sources of coumarin available to perfumers — surpassing tonka bean absolute in coumarin concentration by a factor of two or more. It functions primarily as a tenacious fixative with warm, sweet, hay-tobacco character. In fougere compositions, it reinforces the canonical coumarin-lavender-oakmoss structure with a naturalistic depth that synthetic coumarin alone cannot provide. In tobacco accords and leather bases, it delivers authentic cured-leaf warmth. It blends effectively into chypre structures alongside oakmoss and labdanum, and it extends amber-amber bases with a dry, non-cloying sweetness. Synthetic alternatives: coumarin (CAS 91-64-5) provides the dominant olfactory molecule but lacks the herbaceous complexity. Dihydrocoumarin (CAS 119-84-6) reproduces the coconut-creamy quality. Ethyl vanillin can approximate the vanillic warmth but misses the hay-tobacco character entirely.

Role in the formula

01fixative

02signature note

03blender

04volume builder

Available as

absolute tincture