''Ceanothus divergens'', commonly known as Calistoga ceanothus, is an
evergreen shrub
A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...
in the family
Rhamnaceae
The Rhamnaceae are a large family of flowering plants, mostly trees, shrubs, and some vines, commonly called the buckthorn family. Rhamnaceae is included in the order Rosales.
The family contains about 55 genera and 950 species. The Rhamnaceae h ...
, an
endemic of
California.
Description
This plant has a growth habit described as ascending to erect and may attain height. The plant's preferred habitat is on shrub-covered, rocky,
volcanic slopes. The
hermaphrodite
In reproductive biology, a hermaphrodite () is an organism that has both kinds of reproductive organs and can produce both gametes associated with male and female sexes.
Many Taxonomy (biology), taxonomic groups of animals (mostly invertebrate ...
blue or purple
flowers bloom in April and May.
The sub-
globose fruits are five to six millimeters in diameter.
Distribution
Occurrence is primarily in the
Northern
Northern may refer to the following:
Geography
* North, a point in direction
* Northern Europe, the northern part or region of Europe
* Northern Highland, a region of Wisconsin, United States
* Northern Province, Sri Lanka
* Northern Range, a ra ...
California Coast Ranges, such as near
Calistoga, at altitudes of less than 500 meters.
''Jepson Manual''. University of California Press (1993)
/ref>
References
External links
Plant profile for ''Ceanothus divergens''
divergens
Endemic flora of California
Natural history of Sonoma County, California
{{Rhamnaceae-stub