[Buttercups West of the Cascade Mountains of Oregon and Washington]

Southern Oregon Buttercup

Ranunculus austrooreganus

Southern Oregon Buttercup: Ranunculus austrooreganus

Southern Oregon buttercup as photographed near Medford, Oregon.......April 4, 2009.

Flower of Southern Oregon Buttercup: Ranunculus austrooreganus - Leaf of Southern Oregon Buttercup: Ranunculus austrooreganus - Underside of flower of Southern Oregon Buttercup: Ranunculus austrooreganus

A close-up of the flower (left) and leaf (right) of southern Oregon buttercup. Photographed near Medford, Oregon........April 4, 2009. The photo at the right shows the reddish-veined underside of the petals as well as the backwards folding, hairy sepals.

Southern Oregon Buttercup: Ranunculus austrooreganus - Southern Oregon Buttercup: Ranunculus austrooreganus

Pistils of Southern Oregon Buttercup: Ranunculus austrooreganus - Underside of the petals of Southern Oregon Buttercup: Ranunculus austrooreganus - Underside of the petals of Southern Oregon Buttercup: Ranunculus austrooreganus

Flower of Southern Oregon Buttercup: Ranunculus austrooreganus - Basal leaf of Southern Oregon Buttercup: Ranunculus austrooreganus

Southern Oregon buttercup as photographed near Medford, Oregon........April 28, 2012. Note the minute hairs on the narrow pistils; long, spreading hairs on the backs of the sepals, and deeply parted basal leaf.

Paul Slichter