california buckeye
Aesculus californica
Member of
buckeyes and horse-chestnuts (genus Aesculus)
soapberry family (family Sapindaceae)
dicots (class Magnoliopsida)
white in flowering plants
There are no other wild species of this genus in California.
This species has no subspecies or varieties.








Most flowers have only stamens (male parts). Only one flower (or a few) at the tip of the inflorescence is perfect, having both male and female parts. This often blooms first, and it is where the fruit eventually grows.
Toxicity of california buckeye (Aesculus californica):
3 – Ingestion of these plants is expected to cause nausea, vomiting, diarrhea and other symptoms that may cause illness but is not life-threatening.
Chris’s observations: 111 (108 are research grade)
Locations:
- Henry Coe SP: 13
- Calero CP: 9
- Almaden Quicksilver CP: 8
- Russian Ridge OSP: 5
- Waterdog Lake & Open Space: 5
- Alum Rock Park, San Jose: 4
- Castle Rock SP: 4
- Ed R. Levin CP: 4
- Monte Bello OSP: 4
- Coyote Lake / Harvey Bear Ranch CP: 3
- Coyote Valley OSP: 3
- Edgewood Park & Natural Preserve: 3
- Fremont Older OSP: 3
- La Honda Creek OSP: 3
- Picchetti Ranch OSP: 3
- Sierra Vista OSP: 3
- Windy Hill OSP: 3
- Coal Creek OSP: 2
- Dry Creek Pioneer RP: 2
- Foothills Nature Preserve, Palo Alto: 2
- Hidden Villa, Los Altos Hills: 2
- Santa Teresa CP: 2
- Stevens Creek CP: 2
- Andrew Molera SP
- Crockett Hills RP
- DeLaveaga Park, Santa Cruz
- Dimond Canyon Trail, Oakland
- Henry Cowell Redwoods SP
- Joseph D. Grant CP
- Long Ridge OSP
- Mission Peak RP
- Mt. Diablo SP
- Mt. Madonna SP
- Murray Ranch SP
- Pacheco SP
- Pinnacles NP
- Pleasanton Ridge RP
- Rancho CaƱada del Oro OSP
- Skyline Ridge OSP
- Sunol Wilderness RP
- Ulistac Natural Area, Santa Clara
- Wilder Ranch SP
Months:
- Jan.: 1
- Feb.: 9
- Mar.: 13
- Apr.: 11
- May: 22
- Jun.: 22
- Jul.: 10
- Aug.: 1
- Sep.: 4
- Oct.: 5
- Nov.: 8
- Dec.: 5
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Not all sites include this taxon:
Bay Area species:
iNaturalist
–
Calflora