Caltha palustris L. - Marsh Marigold

Caltha palustris plant

Family - Ranunculaceae

Stems - No info yet.

Caltha palustris stem

Leaves - No info yet.

Inflorescence - No info yet.

Flowers - No info yet.

Caltha palustris flower

Caltha palustris flower

Flowering - April - June.

Habitat - Wet meadows, swamps.

Origin - Native to U.S.

Other info. - This striking species has only recently been reported from Missouri (1988, I believe). The plant is much more common in states to the north. The bright yellow flowers show up well against the drab winter colors of swamps and wet places.
The plant was used traditionally to treat many ailments. A root tea was used to induce sweating and as an expectorant. A leaf tea was used as a laxative. The alkaloids contained in the plant can cause irritation to the skin and mucous membranes.

Photographs taken off Hwy 41, Menominee County, MI., 4-30-04.


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