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Ranunculus longirostris (Longbeak buttercup)
Smith, R.W.

Ranunculus longirostris

Ranunculus longirostris Godr.

Longbeak Buttercup

Ranunculaceae (Buttercup Family)

Synonym(s): Batrachium circinatum, Batrachium circinatum ssp. subrigidum, Batrachium longirostre, Ranunculus amphibius, Ranunculus aquatilis var. diffusus, Ranunculus aquatilis var. longirostris, Ranunculus aquatilis var. subrigidus, Ranunculus circinatus, Ranunculus circinatus var. subrigidus, Ranunculus subrigidus, Ranunculus usneoides

USDA Symbol: RALO2

USDA Native Status: L48 (N)


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf: Green

Bloom Information

Bloom Color: White


USA: AL , AR , AZ , CA , CO , CT , DE , IA , ID , IL , IN , KS , KY , MA , MI , MN , MO , MT , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , SD , TN , TX , UT , VA , VT , WA , WI , WY
Canada: NB , NS , ON
Native Habitat: Fresh Water Aquatic

Growing Conditions

Water Use: High
Light Requirement: Part Shade
Soil Moisture: Wet
CaCO3 Tolerance: High
Aquatic: yes


Warning: POISONOUS PARTS: All parts. Low toxicity if eaten. Minor skin irritation lasting minutes if touched. Symptoms include burning of the mouth, abdominal pain, vomiting, and bloody diarrhea. Skin redness, burning sensation, and blisters following contact with cell sap. Toxic Principle: Protoanemonin, released from the glycoside ranunculin.(Poisonous Plants of N.C.)
Conspicuous Flowers: yes

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Ranunculus longirostris in USDA Plants
FNA: Find Ranunculus longirostris in the Flora of North America (if available)
Google: Search Google for Ranunculus longirostris


Record Modified: 2018-03-08
Research By: TWC Staff

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