Robert W. Freckmann Herbarium


  Caltha palustris L. image
Photographer: Merel R. Black           

Botanical Illustration

Botanical Illustration

Botanical Illustration

Richard Bauer

Kurt Stüber

Margery Melgaard

Margery Melgaard

Mark Mittelstadt

Christopher Noll

Christopher Noll

Christopher Noll

Paul Drobot

Paul Drobot

Paul Drobot

Paul Drobot
Family Ranunculaceae
Caltha palustris L.
cowslip, marsh-marigold, yellow marsh-marigold
Caltha: old Greek and later Latin name for the marigold or "chalice" or "cup"
palustris: "of marshes"
Hazardous hazard symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, 8"-24" tall forb; stems hollow, branched toward the top
Flower: yellow, 5-9-parted, 1/2"-1 1/2" wide, petal-like sepals; blooms April-May
Leaf:widely heart-shaped, not divided; basal leaves long-stalked, stem leaves alternate and on shorter stalks
Habitat: wet; meadows, woods, forests marshes, streambanks
(Glossary)

More Information Natural Communities Herbarium Specimens
All Caltha list Ethnobotany Information Google- Images or Text

Flora of North America (off site)
Synonyms 
Caltha arctica R.Br.
Caltha asarifolia DC.
Caltha flabellifolia Pursh
Caltha minor Mill. subsp. arctica (R.Br.) A.Löve & D.Löve
Caltha natans Pall. var. arctica (R.Br.) Hultén
Caltha natans Pall. var. asarifolia (DC.) Huth
Caltha palustris L. subsp. arctica (R.Br.) Hultén
Caltha palustris L. subsp. asarifolia (DC.) Hultén
Caltha palustris L. subsp. radicans (J.R.Forst.) Beck
Caltha palustris L. var. arctica (R.Br.) Huth
Caltha palustris L. var. asarifolia (DC.) Rothr.
Caltha palustris L. var. flabellifolia (Pursh) Torr. & A.Gray
Caltha palustris L. var. palustris
Caltha palustris L. var. radicans (J.R.Forst.) Huth
Caltha radicans J.R.Forst.

         
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