| Family | RANUNCULACEAE |
| Genus species | Caltha palustris L. |
| Bibliography | Sp. Pl. 1: 558 (1753) |
| Native Range | Temp. & Subarctic Northern Hemisphere |
| Primary Biome | Temperate |
| Habitat | bogs, marshes |
| Altitude | 100-4000m |
| Description | leaves petiolate, orbiculate to orbiculate-reniform, at base cordate, denticulate, rounded, stem leaves similar, upwards smaller, flowers usually solitary or 3-5, 2-5cm across |
| Size | 10-50cm |
| Color | yellow |
| Bloom | spring |
| Ca | |
| Type | perennial |
| Cultivation | very moist to boggy, semi-shady site alpine house, moist, humous, sandy soil, semi-shade |
| Propagation | seed in winter, uncovered, moist, germ. 3-12 months, 10-16°C division after flowering and in fall |
| Synonyms | Caltha alpestris Schott, Nyman & Kotschy Caltha alpina (Schur) Schur Caltha arctica R.Br. Caltha arctica ssp. caespitosa (Schipcz.) Khokhr. Caltha arctica ssp. membranacea (Turcz.) Khokhr. Caltha arctica ssp. sibirica (Regel) Tolm. Caltha asarifolia DC. Caltha caespitosa Schipcz. Caltha confinis Greene Caltha cornuta Schott, Nyman & Kotschy Caltha coronata Schur Caltha crenata Sipliv. Caltha dentata Muhl. Caltha elata Duthie Caltha emodorum Spreng. Caltha ficarioides Pursh Caltha flabellifolia Pursh Caltha freyniana Heldr. ex Beck Caltha glabra Gilib. Caltha gorovii Vorosh. Caltha gracilis Nakai Caltha grosseserrata Pant. Caltha guerangeri Bor. Caltha himalensis D.Don Caltha integerrima Pursh Caltha intermedia Schott, Nyman & Kotschy Caltha laeta Schott, Nyman & Kotschy Caltha laeta ssp. rostrata (Borbás) Jáv. Caltha latifolia Schott, Nyman & Kotschy Caltha longirostris Beck Caltha major Mill. Caltha membranacea (Turcz.) Schipcz. Caltha membranaca var. grandiflora S.H.Li & Y.H.Huang Caltha minor Mill. Caltha minor ssp. arctica (R.Br.) Á.Löve & D.Löve Caltha napalensis Royle Caltha orthorhyncha Rupr. Caltha pallidiflora Martr. Caltha palustris var. aleutensis Huth Caltha palustris var. araneosa Steenis Caltha palustris var. arctica (R.Br.) Huth Caltha palustris f. arrabonensis Soó Caltha palustris ssp. asarifolia (DC.) Hultén Caltha palustris var. barthei Hance Caltha palustris var. borbasii Soó Caltha palustris var. borealis Polozhij Caltha palustris f. cornuta (Schott, Nyman & Kotschy Huth Caltha palustris f. czarnohorensis (Zapal.) Soó Caltha palustris var. flabellifolia (Pursh) Torr. & A.Gray Caltha palustris var. himalaica Tamura Caltha palustris f. integerrima (Pursh) Huth Caltha palustris var. major (Mill.) DC. Caltha palustris ssp. membranacea (Turcz.) Hultén Caltha palustris var. minor (Mill.) DC. Caltha palustris ssp. nymphiifolia Vorosch. & Gorovoj Caltha palustris var. orientalisinensis X.H.Guo Caltha palustris var. parnassifolia (Raf.) Torr. & A.Gray Caltha palustris var. polysepala Turcz. Caltha palustris var. radicans (T.F.Forst.) Beck Caltha palustris ssp. renifolia (Tolm.) Luferov Caltha palustris var. sibirica Regel Caltha palustris f. simonkaiana Soó Caltha palustris var. typica Beck Caltha palustris f. transsilvanica Soó Caltha palustris f. ucrainica Racib. Caltha palustris var. umbrosa Diels Caltha palustris ssp. violacea (Khokhr.) Luferov Caltha palustris f. vulgaris Huth Caltha paniculata Wall Caltha parnassifolia Raf. Caltha polypetala Hochst. Caltha populago Gouan Caltha procumbens Huth Caltha pumila Schur Caltha pygmaea Makino Caltha radicans T.F.Forst. Caltha ranunculoides Schur Caltha riparia G.Don Caltha rostrata Borbás Caltha serotina Tolm. Caltha sibirica (Regel) Tolm. Caltha silvestris Vorosh. Caltha stagnalis Magnier Caltha thracica Adamović Caltha ucrainica (Racib.) Nyman Caltha violacea Khokhr, Caltha vulgaris Pall. ex Steudel Populago palustris (L.) Scop. Trollius paluster E.H.L.Krause Trollius palustris (L.) D.Brandza |
| Territory | 0 Circumpolar 1 Europe 10 Northern Europe (DEN Denmark, FIN Finland, FOR Fřroyar, GRB Great Britain, ICE Iceland) |