Trifolium alpinum L. - Fabaceae - Alpine clover, Westalpen-Klee
Taprootet perennial herb, native from the Alps to the Massif central and Pyrenees at elevations between 1700 and 2500m; taproot up to 1m long; stems short; leaves with three leaflets up to 5cm long; inflorescences with 3-12 fragrant flowers, petals pink to scarlet.
 2-aminobenzaldehyde |  γ-decalactone |
The characteristic flower scent contributes much to environmental scents of High Alp regions and is dominated by 2-aminobenzaldehyde (headspace: 19.0%, orange flower-like with a green kick) in combination with dodecano-12-lactone (0.3%) and γ-decalactone (0.2%).
[Scent of a vanishing flora, Roman Kaiser, 2011, 21]
Seboth, J., Graf, F., Die Alpenpflanzen nach der Natur gemalt, vol.4, t.67 (1839)
http://botanicalillustrations.org/species.php?id_species=1031073
Trifolium alpinum L. © VILLARET Jean-Charles - CC BY-NC-SA - CBNA (PIFH) Biodiv'AURA Atlas Trèfle des Alpes