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The Cabombaceae are a family of aquatic, herbaceous . A common name for its species is water shield. The family is recognised as distinct in the Angiosperm Phylogeny Group IV system (2016). The family consists of two genera of , Brasenia and Cabomba, totalling six species.
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/ref> flowers float on the water surface or extend beyond it.Cabombaceae in Flora of China @ efloras.org. (n.d.). Retrieved February 17, 2025, from http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=10140 The gynoecium consists of (1–)2–18 free carpels.
Date The indehiscent,
/ref> follicle-like or achene-like fruit bears 1–3 seeds.
One such likely Cretaceous member is the genus Pluricarpellatia, found in rocks 115 million years old in what is now Brazil. Scutifolium David W.Taylor, G.J.Brenner et S.H.Basha has been described from the Lower Cretaceous of Jordan.Taylor, D. W., Brenner, G. J., & Basha, S. D. H. (2008). " Scutifolium jordanicum gen. et sp. nov.(Cabombaceae), an aquatic fossil plant from the Lower Cretaceous of Jordan, and the relationships of related leaf fossils to living genera. American Journal of Botany, 95(3), 340-352. Garasbahia Krassilov et Bachia has been described from the mid-Cretaceous of Morocco.
Taxonomy
Publication
The family Cabombaceae Rich. ex A.Rich. was first published in 1822 by Louis Claude Richard, but initial description did not satisfy the requirements for valid publications. The family then was validated by Achille Richard.
Taxonomic history
The APG system of 1998 included this family in the water lily family Nymphaeaceae, as did the APG II system, of 2003 (optionally). The APG III and APG IV systems of classification separated the family Cabombaceae from the family Nymphaeaceae. The family is part of the order Nymphaeales, which is one of the most basal flowering plant lineages.
Further reading
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