Ranunculus flammula L. (Lesser Spearwort) is a species of perennial

Perennial plant

A perennial plant or simply perennial is a plant that lives for more than two years. The term is often used to differentiate a plant from shorter lived annuals and biennials. The term is sometimes misused by commercial gardeners or horticulturalists to describe only herbaceous perennials...

 herbaceous

Herbaceous

A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...

 plants in the genus Ranunculus

Ranunculus

Ranunculus is a large genus of about 600 species of plants in the Ranunculaceae. Members of the genus include the buttercups, spearworts, water crowfoots and the lesser celandine....

(buttercup), growing in damp places throughout the Boreal Kingdom

Boreal Kingdom

The Boreal Kingdom or Holarctic Kingdom is a floristic kingdom identified by botanist Ronald Good , which includes the temperate to Arctic portions of North America and Eurasia. Its flora is inherited from the ancient supercontinent of Laurasia...

. It is very closely related to R. reptans L., which is distinguished by prostrate and more slender stems, narrower leaves and smaller flowers and is sometimes included within R. flammula sensu lato as a variety (R. flammula var. reptans (L.) E. Meyer). It flowers June/July. Ranunculus flammula L. is poisonous.

External links

• Ranunculus flammula in Flora of North America
  Flora of North America
  The Flora of North America North of Mexico is a multivolume work describing the native plants of North America. These days much of the Flora is available . The work is expected to fill 30 volumes when completed...
  
  
• USDA PLANTS Profile