Ranunculus repens creeping buttercup Ranunculaceae RARE2*; Q; R;

Ranunculus repens.commons.wikipedia.org

Ranunculus repens.commons.wikipedia.org (Accessed 4/2014).

Ranunculus repens is a perennial herb, stems creeping, hairy, rooting at nodes. 

Leaves alternate, stalked; blade 3-parted, leaflets egg-shaped to widest above middle, sharply lobed and toothed, terminal leaflet to 6 cm long, stalked, dark green, often mottled with white. 

Flowers bright yellow, petals 5-9, rounded, to 0.8-1.7 cm long, to 1.5 cm long; blooming May-July. Pollinated by insects (Lovett-Doust et al. 1990). 

Fruit a round head of dry achenes to 1 cm wide, achenes ca 0.3 cm, somewhat flattened, beaked. Sept. 

Wetland status: FAC. 

Frequency in NYC: Very infrequent.

 Origin: Europe. 

Habitat: Open areas, moist roadsides, lawns, meadows. 

Notes: Contains the toxic oil protoanemonin (Kingsbury 1964).