[Buttercups and Crowsfoots: The Genus Ranunculus West of the Cascade Mountains of Oregon and Washington]


Western Swamp Buttercup, Straightbeak Buttercup, Straight-beak Buttercup, Bird's Foot Buttercup

Ranunculus orthorhynchus var. orthorhynchus

Synonyms: Ranunculus orthorhynchus ssp. alaschensis, Ranunculus orthorhynchus var. alaschensis, Ranunculus orthorhynchus var. hallii

Flower of Bird's Foot Buttercup, Straightbeak Buttercup, Straight-beak Buttercup, Western Swamp Buttercup: Ranunculus orthorhynchus var. orthorhynchus (Synonyms: Ranunculus orthorhynchus ssp. alaschensis, Ranunculus orthorhynchus var. alaschensis, Ranunculus orthorhynchus var. hallii)

A close-up of the flower of western swamp buttercup as seen at Kingston Prairie Nature Preserve to the southeast of Salem, OR.......June 2006.


Reddish underside of petals and sepals sof Bird's Foot Buttercup, Straightbeak Buttercup, Straight-beak Buttercup, Western Swamp Buttercup: Ranunculus orthorhynchus var. orthorhynchus (Synonyms: Ranunculus orthorhynchus ssp. alaschensis, Ranunculus orthorhynchus var. alaschensis, Ranunculus orthorhynchus var. hallii)

A close-up of the sharply reflexed sepals and reddish undersides of the petals of western swamp buttercup as seen at Kingston Prairie Nature Preserve to the southeast of Salem, OR........June 2006.

Habitat:

Western swamp buttercup is found in wet meadows, ditches, and slow streams on both sides of the Cascade Mt Range.


Pistils of Bird's Foot Buttercup, Straightbeak Buttercup, Straight-beak Buttercup, Western Swamp Buttercup: Ranunculus orthorhynchus var. orthorhynchus (Synonyms: Ranunculus orthorhynchus ssp. alaschensis, Ranunculus orthorhynchus var. alaschensis, Ranunculus orthorhynchus var. hallii)

A close-up of the "beak"-like pistils and styles of western swamp buttercup as seen at Kingston Prairie Nature Preserve to the southeast of Salem, OR........June 2006.

Paul Slichter