What is "marsh marigold"

Marigold \Mar"i*gold\, n. [Mary + gold.] (Bot.) A name for several plants with golden yellow blossoms, especially the Calendula officinalis (see Calendula), and the cultivated species of Tagetes.

Note: There are several yellow-flowered plants of different genera bearing this name; as, the African marigold or French marigold of the genus Tagetes, of which several species and many varieties are found in gardens. They are mostly strong-smelling herbs from South America and Mexico: bur marigold, of the genus Bidens; corn marigold, of the genus Chrysanthemum ( Chrysanthemum segetum, a pest in the cornfields of Italy); fig marigold, of the genus Mesembryanthemum; marsh marigold, of the genus Caltha ( Caltha palustris), commonly known in America as the cowslip. See Marsh Marigold.

Marigold window. (Arch.) See Rose window, under Rose.

marsh marigold \marsh mar"i*gold\ (m[aum]rsh m[a^]r"[i^]*g[-o]ld). (Bot.) A perennial plant of the genus Caltha ( Caltha palustris), growing in wet places and bearing bright yellow flowers. In the United States it is used as a pot herb under the name of cowslip. See Cowslip.

n. ''Caltha palustris'', a perennial plant with bright yellow flowers.

n. swamp plant of Europe and North America having bright yellow flowers resembling buttercups [syn: kingcup, meadow bright, May blob, cowslip, water dragon, Caltha palustris]