Family ²

Rhamnaceae

Description ²

Evergreen shrub with flexible twigs; the leaves are alternate leaves and have scale-like stipules. The leaves are ovate to round in shape, dark green and puberulent adaxially with furrows along the veins and the margins rolled under. The abaxial side of the leaves is densely hairy. The leaves have small glands on the teeth. The Flowers are blue. We have a number of cultivars of Ceanothus impressus in the garden including Julia Phelps, Concha and Frosty Blue.

Community ²

Chaparral

Flowering ²

Mar-May

Garden Location ²

U, S, M, O, T

Associated species ²

native bees (pollen / nectar) XERCES
predatory or parasitoid insects XERCES
butterflies

• Spring Azure Celastrina ladon (host) BMNA
• Echo Blue Celastrina ladon echo (host) ASB
• Pacuvius Duskywing Erynnis pacuvius (host) ASB
• California Tortoiseshell Nymphalis californica (host) ASB
• Pale Swallowtail Papilio eurymedon (host) ASB
• Hedgerow Hairstreak Satyrium saepium (host) ASB
• Not specific to this plant -- associated with various species in the genus Ceanothus.

Sources and Credits

1. (c) James Gaither, some rights reserved (CC BY-NC-ND), http://www.flickr.com/photos/jim-sf/3389290442/
2. (c) gillian360, some rights reserved (CC BY-SA)

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• World Flora Online

iNat Map