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Ranunculus abortivus

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Ordo: Ranunculales

Familia: Ranunculaceae
Subfamilia: Ranunculoideae
Tribus: Ranunculeae
Genus: Ranunculus
Species: Ranunculus abortivus

Ranunculus abortivus L., Sp. Pl.: 551 (1753).
Primary references

Linnaeus, C. 1753. Species Plantarum. Tomus I: 551. Reference page.

Additional references

Kral, R., Diamond, A.R., Ginzbarg, S., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. 2011. Annotated checklist of the vascular plants of Alabama. Sida Botanical Miscellany 36: 112 pp. Fort Worth: Botanical Reseach Institute of Texas. ISBN 978-1-889878-34-8 Reference page.
Mohlenbrock, R.H. 2014. Vascular Flora of Illinois. A Field Guide. 4th ed., 536 pp. Southern Illinois University Press, Carbondale, Ill. ISBN 978-0-8093-3208-3. Reference page.
Chester, E.W., Wofford, B.E., Shaw, J.T., Estes, D. & Webb, D.H. (eds.) 2015. Guide to the Vascular Plants of Tennessee. 813 pp., University of Tennessee Press, Knoxville. ISBN 978-1-62190-100-6. Reference page.


Hassler, M. 2020. Ranunculus abortivus. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2020. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2020 October 23. Reference page.
Govaerts, R. et al. 2020. Ranunculus abortivus in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2020 October 23. Reference page.
International Plant Names Index. 2020. Ranunculus abortivus. Published online. Accessed: 23 October 2020.

Ranunculus abortivus is a species of flowering plant in the buttercup family, Ranunculaceae. Its common names include littleleaf buttercup,[1] small-flower crowfoot,[2] small-flowered buttercup,[3] and kidneyleaf buttercup.[4] 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.[1][5]

The specific epithet abortivus is an adjective from Latin aborior "pass away". It is unknown what it refers to, but it might describes the small petals that look like they have not fully developed.[6]

Basal leaves, stem leaves, and flower
An illustration of an entire plant, from The plants of southern New Jersey (1911), by Witmer Stone

Ranunculus abortivus produces erect stems 10 to 60 cm (4 to 24 in) tall. The leaves are variable in shape, and both stems and leaves are hairless. The basal leaves are kidney-shaped to circular and persistent, with scalloped margins, and the stem leaves are alternate and deeply lobed or divided. Those at the bottom have long petioles (stems), those at the top are shorter-stemmed to stemless, with narrow blades or lobes.[7]

Each stem can bear up to 50 flowers. The flower has five petals up to 1.5 to 3.5 mm (1⁄16 to 1⁄8 in) long,[8] with a ring of stamens around a round cluster of green carpels. The carpels develop into brown, shiny rounded and slightly flattened achenes with a tiny beak.[9][6] It grows in rich, moist woods and alluvial areas.[10]

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.[9]

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.[11]

USDA, NRCS (n.d.). "Ranunculus abortivus". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 18 October 2015.
"Ranunculus abortivus". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 21 January 2018.
"Ranunculus abortivus". Tropicos. Missouri Botanical Garden.
Ranunculus abortivus. NatureServe. 2012.
"Ranunculus abortivus". State-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
"Kidneyleaf Buttercup, Littleleaf Buttercup, Ranunculus abortivus L." Plants of the Eloise Butler Wildflower Garden. The Friends of the Wild Flower Garden.
Haddock, Mike (2018). "Early wood buttercup". Kansas Wildflowers and Grasses.
Whittemore, Alan T. (1997). "Ranunculus abortivus". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 3. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Hilty, John (2016). "Small-Flowered Buttercup (Ranunculus abortivus)". Illinois Wildflowers.
"Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2022-01-21.
Ranunculus abortivus. Native American Ethnobotany. University of Michigan, Dearborn.

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