aquatilis, a third, intermediate leaf type occurs. They have two different leaf types, thread-like leaves underwater and broader floating leaves.
The water crowfoots ( Ranunculus subgenus Batrachium), which grow in still or running water, are sometimes treated in a separate genus Batrachium (from Greek βάτραχος bátrakhos, "frog"). In ornamental gardens, all three are often regarded as weeds.īuttercups usually flower in the spring, but flowers may be found throughout the summer, especially where the plants are growing as opportunistic colonizers, as in the case of garden weeds. Two other species are also widespread, the bulbous buttercup Ranunculus bulbosus and the much taller meadow buttercup Ranunculus acris. The familiar and widespread buttercup of gardens throughout Northern Europe (and introduced elsewhere) is the creeping buttercup Ranunculus repens, which has extremely tough and tenacious roots. The genus is distributed in Europe, North America and South America. Members of the genus are known as buttercups, spearworts and water crowfoots. Ranunculus / r æ ˈ n ʌ ŋ k j ʊ l ə s/ is a large genus of about 1700 to more than 1800 species of flowering plants in the family Ranunculaceae. For other uses, see Buttercup (disambiguation).Įschscholtz's buttercup ( Ranunculus eschscholtzii)
For the variety of squash, see Buttercup squash.
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