Axillarin is an O-methylated flavonol. It can be found in Pulicaria crispa, Filifolium sibiricum, Inula britannica, Wyethia bolanderi in Balsamorhiza macrophylla and in Tanacetum vulgare. It can also be synthesized.
Axillarin 7-O-ò-<small>D</small>-glucoside can be found in Tagetes mendocina, a plant used in traditional herbal medicine the Andean provinces of Argentina.