''Leptosiphon ambiguus'' ( syn. ''Linanthus ambiguus''), the serpentine linanthus, is a low annual

plant Plants are the eukaryotes that form the Kingdom (biology), kingdom Plantae; they are predominantly Photosynthesis, photosynthetic. This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with c ...

with narrowly lanceolate leaves and a vivid lavender flower. It grows generally in

serpentine soil Serpentine soil is an uncommon soil type produced by weathered ultramafic rock such as peridotite and its metamorphic derivatives such as serpentinite. More precisely, serpentine soil contains minerals of the serpentine subgroup, especially an ...

s and is an

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

threatened species A threatened species is any species (including animals, plants and fungi) which is vulnerable to extinction in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensatio ...

of the Bay Area in

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

References

External links

Jepson Manual Online: ''Leptosiphon ambiguus''Calflora Database: ''Leptosiphon ambiguus''UC Photos gallery − ''Leptosiphon ambiguus''
ambiguus Endemic flora of California Endemic flora of the San Francisco Bay Area Natural history of the California chaparral and woodlands Diablo Range Threatened flora of California Flora without expected TNC conservation status {{Polemoniaceae-stub