Robert W. Freckmann Herbarium

Ranunculaceae: Buttercup

Flowers usually regular except Aconitum and Delphinium, with showy petals (or petal-like sepals) that are not joined at the base, and often with many showy stamens. Leaves often deeply lobed or compound.
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Flora of North America: Discussion, key to genera (opens new window)
Flower Formula:  Sepals 3-x; Petals 0-i Glossary

Genus 
(Click for Taxon List)
WI Taxa
(map link)
Photo Genus Traits Google Searches
Aconitum
aconite, monk's-hood, wolf-bane
2 Photo of Aconitum Irregular, purple flower with helmet-like top. Leaves palmately divided. Images   Information
Actaea
baneberry, cohosh, necklace-weed
3 Photo of Actaea Many white stamens, flowers several, in ball-like cluster. Leaves divided with distinct leaflets. Fruit berries Images   Information
Anemone
anemone, lily-of-the-field, wind-flower
11 Photo of Anemone White, pink, purple flowers with 4-20 petal-like sepals. Basal leaves deeply lobed but not separate leaflets. Fruit achene Images   Information
Aquilegia
columbine
2 Photo of Aquilegia 5 upward pointing spurs. Images   Information
Caltha
marsh-marigold
2 Photo of Caltha Yellow or white flowers of wet areas. Leaves broad, heart-shaped, not divided. Images   Information
Clematis
clematis, leather-flower, virgin's-bower
2 Photo of Clematis Woody vine Images   Information
Consolida
consolida, knight's-spur
1 Photo of Consolida Irregular, purple flower with spurred upper petal. Images   Information
Coptis
gold-thread
1 Photo of Coptis White flowers 4-7 petal-like sepals. Leaves 3-parted, basal. Images   Information
Delphinium
larkspur
2 Photo of Delphinium Irregular, white (purple) flower with spur on top. Leaves palmately divided Images   Information
Enemion
false rue anemone
1 Photo of Enemion White flowers not small. Leaves several times 3-parted with distinct, 3 lobed leaflets. Images   Information
Hydrastis
goldenseal
1 Photo of Hydrastis Many white stamens, flowers solitary. Leaves undivided, broad. Fruit berries. Images   Information
Myosurus
mouse's-tail
1 Photo of Myosurus Linear, basal leaves. Small, solitary flower. Images   Information
Ranunculus
buttercup, crowfoot, spearwort
24 Photo of Ranunculus Mostly yellow, few white flowers with usually 5 well developed petals. Leaves broader, alternate. Images   Information
Thalictrum
meadow-rue
5 Photo of Thalictrum Whitish, 4-5 petal-like sepals. Leaves several times 3-parted with distinct leaflets. Fruit veined or ribbed Images   Information


         
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