[Cinquefoils: The Genera Comarum, Dasiphora, Drymocallis and Potentilla in the Cascade Mountains of Oregon and Washington]

Fan-shaped Cinquefoil, Fan-leaved Cinquefoil, Idaho Cinquefoil, Slender Cinquefoil

Potentilla gracilis var. flabelliformis

Synonym: Potentilla flabelliformis

Dorsal Leaf of Fan-shaped Cinquefoil, Fan-leaved Cinquefoil: var. flabelliformis (Synonym: Potentilla flabelliformis) - Ventral leaf surface of Fan-shaped Cinquefoil, Fan-leaved Cinquefoil: var. flabelliformis (Synonym: Potentilla flabelliformis)

The photo at left shows the upper surface of the leaf blade while the photo at right shows the lower leaf surface of fan-shaped cinquefoil as seen in grasslands at MP 7.0 along the Hat Pt. Road, Hell's Canyon National Recreation Area..........June 26, 2007. Notice that the leaflets are dissected more than 2/3 of the way in to the midstem, and that they are dark green above. Notice the white-tomentose covering of hairs on the underside of the leaf.

Dorsal leaf surface of Fan-shaped Cinquefoil, Fan-leaved Cinquefoil, Idaho Cinquefoil, Slender Cinquefoil: Potentilla gracilis var. flabelliformis (Synonym: Potentilla flabelliformis) - Ventral leaf surface of Fan-shaped Cinquefoil, Fan-leaved Cinquefoil, Idaho Cinquefoil, Slender Cinquefoil: Potentilla gracilis var. flabelliformis (Synonym: Potentilla flabelliformis)

Dorsal (left) and ventral (right) leaf surfaces of fan-shaped cinquefoil as seen in the vernally moist meadows of Logan Valley to the northwest of Big Creek Campground, Malheur National Forest..........July 2, 2010.
Paul Slichter