Leptosiphon ambiguus (syn. Linanthus ambiguus), the serpentine linanthus, is a low annual plant with narrowly lanceolate leaves and a vivid lavender flower. It grows generally in serpentine soils and is an endemic threatened species of the Bay Area in California.
References
External links Jepson Manual Online: Leptosiphon ambiguus Calflora Database: Leptosiphon ambiguus UC Photos gallery − Leptosiphon ambiguus