''Ceanothus impressus'' is a species of
shrub
A shrub or 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 by their multiple ...
in the family
Rhamnaceae
The Rhamnaceae are a large Family (biology), 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 specie ...
known by the common name Santa Barbara ceanothus.
[''Ceanothus impressus''.]
CalFlora.[''Ceanothus impressus''.]
USDA PLANTS. 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 the
Central Coast of California, where it is known from
San Luis Obispo
; ; ; Chumashan languages, Chumash: ''tiłhini'') is a city and county seat of San Luis Obispo County, California, United States. Located on the Central Coast (California), Central Coast of California, San Luis Obispo is roughly halfway betwee ...
and
Santa Barbara Counties.
[''Ceanothus impressus''.]
Flora of North America. It occurs in chaparral habitat.
[
This is an upright shrub with a dense or open form, reaching up to 3 meters in height. The evergreen leaves are about 2 centimeters long and oval shaped, highly ridged and wrinkled and curling under along the edges. They may be gland-dotted and have grayish hairy undersides. The shrub flowers abundantly in ]inflorescence
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...
s of small blue flowers. The fruit is a crested spherical capsule about 4 millimeters wide.[''Ceanothus impressus''.]
Jepson eFlora. Jepson Herbarium, University of California.
There are two varieties:[
*''C. impressus'' var. ''impressus'' – generally more compact with intricate branching and cupped leaves
*''C. impressus'' var. ''nipomensis'' (Nipomo ceanothus) – a rare variety, more open in shape, known only from a region of San Luis Obispo County
]
Gallery
Image:Ceanothus impressus 3.jpg, ''Ceanothus impressus''
Image:Ceanothus impressus var nipomensis 2.jpg, var. ''nipomensis''
Image:Ceanothus impressus 1.jpg
References
External links
''Ceanothus impressus''.
CalPhotos.
impressus
Endemic flora of California
Taxa named by William Trelease
{{Rhamnaceae-stub