Fresh leaves are lightly crushed then applied directly to the affected skin area, held in place with a clean cloth. This simple preparation is part of traditional external and occasional use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
Dried aerial parts are brought to a gentle boil for a few minutes in water, then filtered. This preparation, of traditional use, should remain occasional and discussed with a professional before internal use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
Dried leaves are macerated for several weeks in a neutral vegetable oil, away from light, then filtered. The resulting oil was used in external massage on painful areas. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
This plant grows naturally in the coastal scrub and chaparral of California; it remains rarely cultivated and is seldom commercially available in European herbalist shops. Its harvesting primarily requires local botanical knowledge in its native range.
The harvest of leaves and aerial parts traditionally takes place in spring or early summer, when the plant is in full vegetative growth.