''Ravenella griffinii'' is a species of
bellflower known by the common name Griffin's bellflower. It is
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 ...
to
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 ...
, where it grows in the
North and Central Coast Ranges in
chaparral
Chaparral ( ) is a shrubland plant plant community, community found primarily in California, southern Oregon, and northern Baja California. It is shaped by a Mediterranean climate (mild wet winters and hot dry summers) and infrequent, high-intens ...
habitat on
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. This is an annual herb producing a thin, erect stem up to 20 centimeters tall. The leathery leaves are linear in shape, toothed along the edges, and less than a centimeter long. The stem and foliage are sometimes reddish in color and may have stiff hairs. The small, cylindrical flower is pale blue to white and less than 4 millimeters long. The fruit is an oblong, ribbed capsule.
References
External links
Jepson Manual TreatmentUSDA Plants ProfilePhoto gallery
{{Taxonbar, from1=Q123473118, from2=Q5027933, from3=Q110942564
Campanuloideae
Endemic flora of California