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Ranunculus hydrocharoides
Also called Frog's Bit Buttercup
Ranunculus hydrocharoides is a species of buttercup known by the common names frogbit buttercup, or frog's-bit buttercup. It is native to western North America, including the southwestern United States and Mexico. It is also known from Guatemala. It is aquatic or semi-aquatic, growing floating in water or in wet land near water. Typical habitat includes marshes, streams, and lakes. Stems are up to 25 centimeters long, prostrate on the ground when terrestrial, or floating when aquatic. The shiny green leaves have heart-shaped or oval blades up to 3 centimeters long which are borne on petioles which may be 15 centimeters in length. Flowers have 5 to 8 shiny yellow petals a few millimeters long with many stamens and pistils at the center. The fruit is an achene borne in a spherical cluster of 9 or more.
Littleleaf buttercup · Sand Buttercup · Aconite-leaf buttercup · Ranunculus acraeus · Meadow buttercup · Alpine buttercup · Fall buttercup · Plantainleaf buttercup · Allegheny Mountain buttercup · Allen's buttercup · Ranunculus altus · Waterplantain spearwort
Text excerpted from the Wikipedia article Ranunculus hydrocharoides by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
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.
