Small flower buttercup

Ranunculus abortivus

To distinguish Ranunculus abortivus from Ranunculus micranthus, it is often necessary to examine the naked receptacles of these two species (the receptacle of the flower is what remains after the carpels, sepals, and petals are removed). The receptacle of Ranunculus abortivus is pubescent, while the receptacle of Ranunculus micranthus is hairless. Another difference is the following: the achenes of Ranunculus abortivus have a shiny surface, while the achenes of Ranunculus micranthus have a dull surface.

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