Ceanothus megacarpus
Big pod ceanothus
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Family: Rhamnaceae · Type: Shrub · Native
Ceanothus megacarpus (Big pod ceanothus) is a native California shrub in the Rhamnaceae family, recognized by exceptionally large fruits.
Big pod ceanothus is a California native shrub found in coastal and southern California regions in chaparral and coastal sage scrub habitats. Flowering from March to May, this plant produces white flowers with dark disk centers in small umbel-like clusters about 1 to 2 centimeters wide. Growing as an erect, open shrub reaching up to 4 meters tall, it has ascending branches with brown to gray-brown twigs. Its evergreen leaves are elliptic to widely oblanceolate, 10 to 25 millimeters long, dull green on top and gray-green underneath with short strigose hairs, particularly along the veins. The distinctive fruit is 7 to 12 millimeters wide, often with three ridges and sometimes featuring small horns.
Identification and appearance
Key characters: 29 sympatric species; exceptionally large fruits are diagnostic
Habitat and range
California counties: Orange, Los Angeles, Santa Barbara, Ventura, San Bernardino, Riverside, San Diego, San Benito
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 native to California?
Yes. Ceanothus megacarpus is native to California (recorded as native).
Where in California does Ceanothus megacarpus grow?
Ceanothus megacarpus occurs in Orange, Los Angeles, Santa Barbara, Ventura, San Bernardino, Riverside, San Diego, San Benito.
What plant family does Ceanothus megacarpus belong to?
Ceanothus megacarpus is in the Rhamnaceae family, genus Ceanothus.
Related species
Other California species in the same genus, family, or bioregion.
- Ceanothus megacarpus var. insularis — Island ceanothus
- Ceanothus megacarpus var. megacarpus — Bigpod ceanothus
- Ceanothus oliganthus — Hairy ceanothus
- Ceanothus oliganthus var. oliganthus — Hairy ceanothus
- Ceanothus oliganthus var. orcuttii — San diego hairy ceanothus
- Ceanothus oliganthus var. sorediatus — Jim brush
Sources: Jepson eFlora · Index of California Plant Names · 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.