california buttercup

Ranunculus californicus

Member of buttercups (genus Ranunculus)
buttercup family (family Ranunculaceae)
dicots (class Magnoliopsida)
yellow in flowering plants

There are no other wild members of this species anywhere.

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Ranunculus californicus var. californicus

• stems erect to decumbent, hirsute or glabrous
• ultimate segments of basal leaves acute to rounded-acute
• common everywhere, particularly inland

Ranunculus californicus var. cuneatus

• stems prostrate, strigose
• ultimate segments of basal leaves rounded to obtuse
• coastal bluffs

Toxicity of buttercup, ranunculus (Ranunculus spp.):
1 – Skin contact with these plants can cause symptoms ranging from redness, itching, and rash to painful blisters like skin burns.
3 – Ingestion of these plants is expected to cause nausea, vomiting, diarrhea and other symptoms that may cause illness but is not life-threatening.

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1 observed taxon / 1 unobserved taxon / 1 key

Chris’s observations: 73 (47 are research grade)

Locations:

• Henry Coe SP: 15
• Calero CP: 8
• Edgewood Park & Natural Preserve: 7
• Santa Teresa CP: 5
• Joseph D. Grant CP: 4
• Almaden Quicksilver CP: 3
• Coyote Lake / Harvey Bear Ranch CP: 3
• Coyote Valley OSP: 3
• Mission Peak RP: 2
• Pacheco SP: 2
• Pleasanton Ridge RP: 2
• Rancho Cañada del Oro OSP: 2
• Russian Ridge OSP: 2
• Sierra Azul OSP: 2
• Stevens Creek CP: 2
• Coal Creek OSP
• Fort Ord NM
• Hidden Villa, Los Altos Hills
• Máyyan 'Ooyákma Coyote Ridge OSP
• Picchetti Ranch OSP
• Purisima Creek Redwoods OSP
• Sanborn CP
• Skyline Ridge OSP
• Sunol Wilderness RP
• Sweeney Ridge National Recreation Area
• Waterdog Lake & Open Space

Months:

• Jan.: 2
• Feb.: 8
• Mar.: 23
• Apr.: 28
• May: 8
• Jun.: 4

For more details, use advanced search.

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora