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Caldesia parnassiifolia3.jpg
Caldesia parnassifolia
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Alismataceae
Genus: Caldesia

See text

Caldesia is a genus of aquatic plants. It includes three living species widespread across Europe, Asia, Africa and Australia.[1][2][3] The genus "has an extensive Oligocene through Pleistocene fossil record in Eurasia,"[4] and has been found in fossil strata of the United States (Idaho and Vermont) as well. Ten fossil species have been described for the genus.


Leaves all basal, floating or aerial, ovate to elliptical, cordate or subcordate. Flowers hermaphrodite, in racemes or panicles. Stamens 6(-11). Carpels few or numerous in a single whorl, free, each with 1 ovule; styles subventral. Fruitlets drupaceous, with woody endocarp and spongy exocarp, swollen, with a short subventral beak, smooth or with tubercles or spines.

Selected species[edit]


  1. ^ "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". Retrieved 2017-01-26. 
  2. ^ Altervista Flora Italiana, Mestolaccia minore, Parnassus Leaved Water Plantain, Caldesia parnassifolia
  3. ^ "Caldesia in Flora of China @". Retrieved 2017-01-26. 
  4. ^ Haggard, Kristina K.; Tiffney, Bruce H. (1997). "The Flora of the Early Miocene Brandon Lignite, Vermont, USA. VIII. Caldesia (Alismataceae)". American Journal of Botany. American Journal of Botany, Vol. 84, No. 2. 84 (2): 239–252. JSTOR 2446086. doi:10.2307/2446086.