Ceanothus divergens

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Ceanothus divergens
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Rhamnaceae
Genus: Ceanothus
Species: C. divergens
Binomial name
Ceanothus divergens

Ceanothus divergens, commonly known as Calistoga ceanothus, is an evergreen shrub in the Rhamnaceae family, an endemic of California.


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 blue or purple flowers bloom in April and May.[1]

The sub-globose fruits are five to six millimeters in diameter.[2]


Occurrence is primarily in the Northern California Coast Ranges, such as near Calistoga, at altitudes of less than 500 meters.[3]

See also[edit]


  1. ^ Plant profile for Ceanothus divergens: Plants for a future
  2. ^ C. C. Parry, Ceanothus divergens, Proc. Davenport A,cad. Nat. Sci. 5: 173. 1889
  3. ^ Jepson Manual. University of California Press (1993)

External links[edit]