Hydatellaceae

Hydatellaceae
Botanical illustration of Trithuria australis from 1904
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Hydatellaceae
U.Hamann[1][2]
Genera[3]

Trithuria Hook.f.

Hydatellaceae are a family of small, aquatic flowering plants. The family consists of tiny, relatively simple plants occurring in Australasia and India. It was formerly considered to be related to the grasses and sedges (order Poales), but has been reassigned to the order Nymphaeales as a result of DNA and morphological analyses showing that it represents one of the earliest groups to split off in flowering-plant phylogeny, rather than having a close relationship to monocots, which it bears a superficial resemblance to due to convergent evolution.[4] The family includes only the genus Trithuria, which has at least 13 species, although species diversity in the family has probably been substantially underestimated.[5]

  1. ^ Cite error: The named reference APGIII was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference FloraBase was invoked but never defined (see the help page).
  3. ^ "Hydatellaceae U.Hamann". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 26 July 2023.
  4. ^ Sokoloff, Dmitry D.; Marques, Isabel; Macfarlane, Terry D.; Remizowa, Margarita V.; Lam, Vivienne K.Y.; Pellicer, Jaume; Hidalgo, Oriane; Rudall, Paula J.; Graham, Sean W. (14 April 2019). "Cryptic species in an ancient flowering‐plant lineage (Hydatellaceae, Nymphaeales) revealed by molecular and micromorphological data". Taxon. 68. Wiley: 1–19. doi:10.1002/tax.12026. ISSN 0040-0262.

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