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Pakistan | Family List | Ranunculaceae

6. Caltha L., Sp. Pl. 558. 1753. Gen. Pled. 5:623. 1754; Boiss., Fl.Or. 1:59.1867; Hook.f. & Thoms., Fl.lndica, 39.1855; in Hook.f., Fl. Brit. Ind. 1:21.1872; Huth in Abb. Vorli Ges. Natur. (Berlin) 4:1-23.1891, reprinted in Helios 9:55-78, 1892; l.c. 9:99-103. 1893; Kordell & Koatim-Samon in New Phytol. 70:173-186.1971; Smith in Blumea 21:119-150. 1923; Qureshi & Chaudhri, Pak. Syst. 4(1-2):27.1988.


Naturhistorisches Museum, Botanische Abteilung, Wien, Austria.


National Herbarium, Pakistan Agricultural Research Council, Islamabad, Pakistan.

Caltha alba var. alba

Credit: S. Hameed

Perennial plants with undivided leaves. Flowers simple or more often in a reduced inflorescence. Perigonium simple, composed of 5-10 petaloid sepals. Petals (nectaries) lacking. Stamens and carpels numerous, arranged in irregular numbers on a flat receptacle. Carpels free from each other, many seeded. Mature fruits developed as follicles. Seeds compressed obovoid or oblong, sometimes asymmetrical.

A widespread genus of about 40 species distributed throughout both hemispheres.

No species of Caltha are of any economic u se. Caltha palustris L. is said to be poisonous. It is widespread in temperate arctic Europe, Asia & N. America but is not represented in Pakistan.

1 Pollen grains tricolpate, broadly ellipsoidal. Sepals yellow, rarely white   1 Caltha palustris
+ Pollen grains pantoporate, globose. Sepals white   2 Caltha alba

Lower Taxa

Related Synonym(s):


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