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Littleleaf buttercup

Ranunculus abortivus

Also called Kidney Leaf Buttercup, Small Flower Crowfoot, Early Wood Buttercup, Kidney Leaved Buttercup, Little Leaved Buttercup, Early Woodbuttercup, Smallflower Buttercup

Littleleaf buttercup
Photo: Frank Mayfield, CC BY-SA 2.0

A small perennial wildflower of the buttercup family, native to much of North America, found in rich, moist woods and wet ground. Grow it in cool, moist, partly shaded conditions, as it is a wild woodland plant rather than a garden favourite.

Family
Ranunculaceae (Buttercup family)
Grows as
Perennial
Light
Part shade, Shade
Water
Keep soil consistently moist, as it grows in moist woodland and alluvial soil.
Soil
Rich, moist, humus-rich woodland soil.
Temperature
Cool to temperate; hardy in cold climates, dies back in winter.
How easy
Easy
Safety
Toxic: The leaves contain a blistering agent (protoanemonin, released when the plant is crushed or chewed), which irritates skin and mouth and can cause digestive upset.. Toxic to cats and dogs (ASPCA).
Native range
Subarctic America to N., C. & E. U.S.A.
Climate
temperate

About

Ranunculus abortivus is a species of flowering plant in the buttercup family, Ranunculaceae. Its common names include littleleaf buttercup, small-flower crowfoot, small-flowered buttercup, and kidneyleaf buttercup. It is widespread across much of North America, found in all ten Canadian provinces as well as Yukon and the Northwest Territories, and most of the United States, except Hawaii, Oregon, California, and parts of the Southwest.

The specific epithet abortivus is an adjective from Latin aborior "pass away". It is unknown to what it refers, but it might describe the small petals that look like they have not fully developed.

Where it grows

The flowers produce both nectar and pollen, which is eaten or gathered by small bees, ladybugs, and hoverflies and other kinds of flies. The seeds and leaves are an occasional food source for animals. The seeds are eaten by small rodents, such as the eastern chipmunk and meadow vole. As in other buttercups, the leaves are mildly toxic, containing a blistering agent, but they are eaten by cottontail rabbits. Both the leaves and seeds are eaten by turkeys.

Uses

The plant had a variety of uses among Native American groups. The Cherokee cooked and ate the leaves. They used it medicinally for abscesses and sore throat and as a sedative. The Iroquois used it for snakebite and poisoning, smallpox, and toothache.

Other Ranunculus plants

Aconite-leaf buttercup · Meadow buttercup · White water crowfoot · Asian Buttercup · Brackish Water-crowfoot · St. Anthony's turnip · Ranunculus calandrinioides · California buttercup · Greater creeping spearwort · Glacier buttercup · Ranunculus gramineus · Ivy buttercup

Text excerpted from the Wikipedia article Ranunculus abortivus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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