Southern Oregon Buttercup

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With close to one hundred species of Ranunculus buttercups in the Buttercup family (Ranunculaceae), identifying any one of the mostly five yellow petal species is often reserved for the professional botanists.

For flower enthusiasts, the orange on the underside of the Southern Oregon Buttercup (Ranunculus austrooreganus), along with the folded sepals, serve as excellent field identification clues.

Its range is limited to the southern counties of Oregon, and it is currently listed as a candidate species on the state's endangered species list.

© 2009 Patricia A. Michaels