Ranunculus species

Click on the images below to see larger versions. 

Scientific Name Ranunculus adoneus USDA PLANTS Symbol RAAD
Common Name Snow Buttercup, Alpine Buttercup ITIS Taxonomic Serial No. 18584
Family Ranunculaceae (Buttercup) SEINet
Reference
Click Here
Description Life zones and habitat: Subalpine and alpine (10000 to 14000 ft); wet areas near snow, streams, meadows and tundra.
Plant: Erect perennial 3 to 10 inches tall, single or multiple smooth stems.
Leaves: Leaves are deeply lobed into fine, linear segments.
Inflorescence: Yellow flowers 1-1/2 inches across with 5 glossy, overlapping petals and about twice as long as the hairy sepals beneath.
Bloom Period: June to August.
References: "The Alpine Flora of the Rocky Mountains" by Richard W. Scott, "Guide to Colorado Wildflowers" by G.K. Guennel and "Flora of Colorado" by Jennifer Ackerfield.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Ranunculus eschscholtzii USDA PLANTS Symbol RAES
Common Name Subalpine Buttercup, Eschscholtz's Buttercup, Largeflower Buttercup ITIS Taxonomic Serial No. 18601
Family Ranunculaceae (Buttercup) SEINet
Reference
Click Here
Description Life zones and habitat: Subalpine and alpine (10000 to 13000); wet areas near snow, streams, in meadows and talus slopes.
Plant: Erect or leaning perennial 2 to 10 inches tall, single or multiple smooth stems.
Leaves: Deeply and palmately dissected into 3 to 5 linear to lanceolate lobes that are in turn lobed or toothed; basal leaves are petiolate; stem leaves are sessile.
Inflorescence: Yellow flowers 1-1/2 inches across with 5 petals, longer than the purplish, hairy sepals beneath.
Bloom Period: June to August.
References: "The Alpine Flora of the Rocky Mountains" by Richard W. Scott, "Guide to Colorado Wildflowers" by G.K. Guennel and "Flora of Colorado" by Jennifer Ackerfield.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Ranunculus glaberrimus var. ellipticus USDA PLANTS Symbol RAGLE
Common Name Sagebrush Buttercup ITIS Taxonomic Serial No. 18606
Family Ranunculaceae (Buttercup) SEINet
Reference
Click Here
Description Life zones and habitat: Plains to montane (5100 to 10000 ft); moister areas on slopes and in meadows.
Plant: Low perennial with one to several smooth, prostrate or ascending stems; up to 7 inches tall; each stem with 1 to 4 flowers.
Leaves: Basal leaf blades elliptic to oblanceolate entire to deeply 3-lobed, 3/8 to 2 inches long and less than 3/4-inch wide, gradually tapering to a petiole one to several times as long; stem leaves are simple or cleft into 3 linear lobes.
Inflorescence: One to a few flowers on smooth pedicels up to 4 inches long; flowers about an inch across with 5 glossy yellow petals turning white with age; 5 spreading, reddish-tinged sepals; many yellow stamens and green center.
Bloom Period: April to June.
References: "Flora of Colorado" by Jennifer Ackerfield, "The Alpine Flora of the Rocky Mountains" by Richard W. Scott, Flora of North America and Montana Plant Life.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Ranunculus inamoenus USDA PLANTS Symbol RAIN
Common Name Graceful Buttercup ITIS Taxonomic Serial No. 18616
Family Ranunculaceae (Buttercup) SEINet
Reference
Click Here
Description Life zones and habitat: Foothills to subalpine (6000 to 12500 ft); moist areas along ponds, streams, wet slopes.
Plant: Erect perennial 2 to 12 inches tall, single or multiple stems with fine hairs or smooth; may be branched.
Leaves: Basal leaves on long petioles, reniform to round in outline, crenate or 3-lobed, narrow at leaf base, up to 2 inches long and almost as wide; stem leaves are sessile and deeply dissected into 3 to 7 narrow segments.
Inflorescence: Single or 3 to 7 small flowers on each stem, each less than an inch across with 5 glossy yellow petals, many yellow stamens and green center.
Bloom Period: May to August.
References: "The Alpine Flora of the Rocky Mountains" by Richard W. Scott, "Guide to Colorado Wildflowers" by G.K. Guennel and "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map
Colorado Status:
Native


© Tom Lebsack 2021