rough-fruited buttercup

Ranunculus muricatus

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

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• stem erect to prostrate, from ground or water
• 5 petals, 4–8 mm long, 2–4.5 mm [wide], yellow
• receptacle bristly
• common

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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Chris’s observations: 4 (3 are research grade)

Locations:

• Edgewood Park & Natural Preserve
• Henry Coe SP
• Hidden Villa, Los Altos Hills
• Joseph D. Grant CP

Months:

• Apr.: 3
• May: 1

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

Bay Area species: iNaturalist – Calflora