Ceanothus megacarpus var. megacarpus
Bigpod ceanothus, Bigpod Ceanothus
(c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson · licence
Family: Rhamnaceae · Type: Shrub · Native
Ceanothus megacarpus var. megacarpus (Bigpod ceanothus) is a native California shrub in the Rhamnaceae family, recognized by alternate leaves and horned fruits distinguish from island variety.
Bigpod ceanothus is a California native shrub found in northern Santa Catalina, southern Channel Islands, Transverse Ranges, San Gabriel Mountains, and northern Peninsular Ranges in rocky chaparral and canyon habitats at elevations below 900 meters. Flowering from December to March, this plant produces small white to pale blue flowers in dense clusters. Growing with upright branches 1 to 2 meters tall, it forms a dense, rounded shrub with woody stems. Its leaves are generally alternate, with leathery green blades that provide excellent drought adaptation. The fruit is distinctively three-ridged with small horns less than 1.5 millimeters long.
Identification and appearance
Key characters: 29 sympatric species; alternate leaves and horned fruits distinguish from island variety
Habitat and range
Habitat: Rocky slopes, canyons, chaparral
Elevation: < 900 m
California counties: Orange, Los Angeles, Ventura, Santa Barbara, Riverside, San Diego, Monterey
Bloom period
Ceanothus megacarpus var. megacarpus blooms Dec-Mar.
How to tell it apart
vs Rhamnus: Ceanothus has showy blue/white/pink flowers in dense clusters; Rhamnus has tiny inconspicuous greenish flowers.; vs Quercus: Ceanothus has showy flower clusters and small leaves; Quercus has acorns and distinctive lobed or toothed oak leaves.; vs Baccharis: Ceanothus has individual flowers with 5 separate petals; Baccharis has composite flower heads with tiny disc flowers.; vs Cercocarpus: Ceanothus has blue/white/pink flowers in clusters; Cercocarpus has tiny flowers with no petals and feathery fruiting tails.; vs Adenostoma: Ceanothus flowers have 5 distinct colored petals; Adenostoma has tiny white flowers and needle-like clustered leaves.
Frequently asked questions
Is Ceanothus megacarpus var. megacarpus native to California?
Yes. Ceanothus megacarpus var. megacarpus is native to California (recorded as native).
When does Ceanothus megacarpus var. megacarpus bloom?
Ceanothus megacarpus var. megacarpus blooms Dec-Mar.
Where in California does Ceanothus megacarpus var. megacarpus grow?
Ceanothus megacarpus var. megacarpus occurs in Orange, Los Angeles, Ventura, Santa Barbara, Riverside, San Diego, Monterey, at elevations of < 900 m.
What plant family does Ceanothus megacarpus var. megacarpus belong to?
Ceanothus megacarpus var. megacarpus is in the Rhamnaceae family, genus Ceanothus.
What habitat does Ceanothus megacarpus var. megacarpus grow in?
Ceanothus megacarpus var. megacarpus grows in Rocky slopes, canyons, chaparral.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.