Abronia latifolia Eschsch.
Engl.: coastal sand verbena, yellow sand verbena.
Bot. syn.: Abronia arenaria Menz. ex Hook.
Closeup of flower. Pacific coast, OR, US. Wild. 1998-06-01.
Flowering plant. Pacific coast, OR, US. Wild. 1998-06-01.
Classic texts: Sturtevant 1919.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.
Plant Healer Magazine: Very relevant to the practitioner.
http://www.henriettes-herb.com - Copyright 1995–2017 Henriette Kress.