Ranunculus alismifolius
Ranunculus acris
plantainleaved buttercup
meadow buttercup
Basal leaves long-petiolate, the blades broadly cordate, 3-8 cm. long, deeply 3-lobed, again deeply lobed 2-3 times, the lobes incised into pointed segments;
cauline leaves similar, alternate, transitional to the 3- to 5-lobed bracts.
Peduncles few-flowered, ascending;
sepals 5, greenish, spreading, soft-hairy, 4-6 mm. long, early-deciduous, the tips sharply reflexed;
petals 5, yellow, 10-14 mm. long and half as broad;
nectary scale glabrous, obcordate, 1 mm. long, the lateral margins free 2/3 their length;
receptacle ellipsoid, up to 3.5 mm. long;
stamens 30-70;
pistils 15-40.
Achenes obovate, 2.5 mm. long, glabrous, smooth, keeled, the stylar beak 0.6 mm. long.
Ranunculus alismifolius
Ranunculus acris
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across the northern part of the U.S. and Canada to eastern North America.
- 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
