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Ceanothus cuneatus (Buckbrush)
Reveal, James L.

Ceanothus cuneatus

Ceanothus cuneatus (Hook.) Nutt.


Rhamnaceae (Buckthorn Family)


USDA Symbol: cecu

USDA Native Status: L48 (N)

Buckbrush is a member of the buckthorn family (family Rhamnaceae) which includes shrubs, woody vines, and small to large trees, rarely herbs, often spiny. About 700 species worldwide; 15 native and 3 naturalized tree, about 50 shrub, and 1 woody vine species in North America. Leaves: mostly alternate, also opposite; simple; often with 3 or more veins from base; usually with tiny stipules.


From the Image Gallery

15 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub
Leaf Retention: Evergreen
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Reaches heights of 3.3 to 11.5 feet (1-3.5 m) tall.
Leaf: Green.

Bloom Information

Bloom Color: White , Blue , Purple
Bloom Time: Jan , Feb , Mar , Apr , May
Bloom Notes: White to lavender or blue.



Growing Conditions

Water Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: High


Use Other: Shoots used in basketry by indigenous Californians.
Conspicuous Flowers: yes
Attracts: Butterflies
Nectar Source: yes

Value to Beneficial Insects

Special Value to Native Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Butterflies and Moths of North America (BAMONA)

White-streaked saturnia moth
(Saturnia albofasciata)

Larval Host
Learn more at BAMONA

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Ceanothus cuneatus in USDA Plants
FNA: Find Ceanothus cuneatus in the Flora of North America (if available)
Google: Search Google for Ceanothus cuneatus


Record Modified: 2023-05-04
Research By: TWC Staff

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