Ranunculaceae

Macoun's buttercup

Ranunculus macounii Britton

Family: Ranunculaceae
Genus: Ranunculus

Pet and kid safety: not checked yet. Check pet-safe plants

Macoun's buttercup (Ranunculus macounii) — FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist

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Common names

By language (1)

English: Macoun's buttercup

Synonyms

Ranunculus macounii var. macounii
Ranunculus macounii var. oreganus K.C.Davis
Ranunculus oreganus (A.Gray) Howell
Ranunculus rudis Greene

Flowers

In flower: June to July (from 18 flowering iNaturalist observations worldwide)
Flower colour: yellow (USDA PLANTS Database)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Alaska: native, Canada: native, Lower 48 states: native

Toxicity: Moderate, as listed by the USDA PLANTS Database (2025-05-29). USDA rates how toxic a plant is to people or livestock; it is not a pet-safety rating, so ask a vet or poison line if a pet or child ate it.

Photos

FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist
FlowerPhoto: Mary Krieger, CC BY 4.0, from iNaturalist
FlowerPhoto: Kallum McDonald, CC0, from iNaturalist
FlowerPhoto: Mary Krieger, CC BY 4.0, from iNaturalist
Photo: lallen, CC0, from iNaturalist
Photo: Craig Martin, CC0, from iNaturalist
Photo: Eric Knight, CC BY 4.0, from iNaturalist
Photo: Rostyslav Yurechko, CC BY 4.0, from iNaturalist
Photo: Craig Martin, CC0, from iNaturalist
Photo: Syd Cannings, CC BY 4.0, from iNaturalist
Photo: Colin Croft, CC BY 4.0, from iNaturalist
Photo: Kallum McDonald, CC0, from iNaturalist

More in Ranunculus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.