Ranunculaceae

Low spearwort

Ranunculus pusillus Poir.

Family: Ranunculaceae
Genus: Ranunculus

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Low spearwort (Ranunculus pusillus) — FlowerPhoto: Brian Finzel, CC BY-SA 4.0, from iNaturalist

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Common names

By language (1)

English: Low spearwort

Synonyms

Ranunculus biolettii Greene
Ranunculus oblongifolius Elliott
Ranunculus pusillus var. angustifolius (Engelm.) L.D.Benson
Ranunculus pusillus var. denticulatus Torr. & A.Gray
Ranunculus pusillus var. lindheimeri (Engelm.) A.Gray
Ranunculus pusillus var. muticus Torr. & A.Gray
Ranunculus tener C.Mohr
Ranunculus trachyspermus var. angustifolius Engelm.
Ranunculus trachyspermus var. lindheimeri Engelm.

Flowers

In flower: March to May (from 55 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

FlowerPhoto: Brian Finzel, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Daniel Patterson, CC BY 4.0, from iNaturalist
FlowerPhoto: Ashwin Srinivasan, CC BY 4.0, from iNaturalist
FlowerPhoto: John Kees, CC0, from iNaturalist
LeavesPhoto: Becky Dill, CC0, from iNaturalist
Photo: Elizabeth Axley, CC BY 4.0, from iNaturalist
Photo: Samuel Buckner, CC BY 4.0, from iNaturalist
Photo: Jeff Clark, CC BY 4.0, from iNaturalist
Photo: Nathan Aaron, CC BY 4.0, from iNaturalist
Photo: Reid Hardin, CC BY 4.0, from iNaturalist
Photo: Becky Dill, CC0, from iNaturalist
Photo: Sam Kieschnick, CC BY 4.0, 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.