Ranunculus repens
Ranunculus arvensis
creeping buttercup
field buttercup, hungerweed
Basal leaves oblanceolate, 3-toothed to twice ternately divided into linear lobes;
cauline leaves alternate, tri- or bi-ternately divided into linear segments.
Flowers solitary on slender pedicels 3-5 cm. long;
sepals 5, spreading, membranous, yellowish, 3.5-6 mm. long, hairy;
petals 5, yellow, 5-8 mm. long, obovate;
receptacle hemispheric, hairy;
nectary basal on and nearly as broad as the petal, free to the base;
stamens about 10;
pistils 5-8 in a globose cluster.
Achenes greatly compressed, nearly circular, with many spines; stylar beak stout, straight, 3 mm. long.
Ranunculus repens
Ranunculus arvensis
Occurring throughout Washington, but more common west of the Cascades crest; Alaska to California and Utah, and from central plains of U.S. to Labrador.
Occurring east of the Cascades crest in Washington; British Columbia to California, east to Idaho and Utah; also in areas of central and eastern U.S.
- Local floras:
BC, 
CA, 
OR, 
WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
PNW Herbaria, Turner Photog. 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
- Local floras: BC, CA, OR, WA
- Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria
- WildflowerSearch
- iNaturalist (observations)
- USDA Plants Database
- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
