Hydrocharitaceae

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Hydrocharitaceae
Common frogbit, Hydrocharis morsus-ranae
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Hydrocharitaceae
Juss.[1]
Genera

Apalanthe

Appertiella

Blyxa

Egeria

Elodea

Enhalus

Halophila

Hydrilla

Hydrocharis

Lagarosiphon

Limnobium

Maidenia

Najas

Nechamandra

Ottelia

Stratiotes

Thalassia

Vallisneria

Hydrocharitaceae is a flowering plant family including 16 known genera with a total of ca 135 known species (Christenhusz & Byng 2016[2]), that including a number of species of aquatic plant, for instance the tape-grasses, the well known Canadian waterweed, and frogbit.

The family includes both freshwater and marine aquatics. They are found throughout the world in a wide variety of habitats, but are primarily tropical.

Description

The species are

orbicular, with or without a petiole
, and with or without a sheathing base.

The

pericarp. Seeds are normally numerous with straight embryos and no endosperm
.

Pollination can be extremely specialised.

The most recent phylogenetic treatment of the family recognizes four subfamilies. [3]

Hydrocharitaceae
Hydrilla verticillata
Ottelia alismoides

Uses

Some species have become established ornamental plants, and subsequently serious weeds in the wild (especially Egeria, Elodea and Hydrilla).

Genera

Genera crosses (Hydrocharitaceae)
Kubitzki (ed. 1998[7]) data.kew[8] APWeb (mobot.org)[9] Watson & Dallwitz (delta-intkey)[10]
Hydrocharitaceae
1. Ottelia
Oligolobos
 Gagnep.)
Oligolobos Gagnepain, Xystrolobus
Gagnepain)		 Ottelia
2. Stratiotes Stratiotes L. Stratiotes L. Stratiotes
3. Hydrocharis Hydrocharis L. Hydrocharis L. Hydrocharis
4. Limnobium
Hydromystria
 G.Mey.
Hydromystria
 G. Meyer)		 Limnobium
5. Blyxa
Enhydrias
 Ridl.)
Enhydrias
 Ridley)		 Blyxa
6.
Apalanthe
Apalanthe
 Planch.		 (in Elodea Michaux)
Apalanthe
7. Egeria Egeria Planch. Egeria Planchon Egeria
8. Elodea
Udora
 Nutt.)
Udora
 Nuttall)		 Elodea
9. Hydrilla Hydrilla Rich. Hydrilla Richard Hydrilla
10. Appertiella Appertiella C.D.K.Cook & Triest Appertiella C. D. K. Cook & Triest Appertiella
11. Lagarosiphon Lagarosiphon Harv. Lagarosiphon Harvey Lagarosiphon
12. Nechamandra Nechamandra Planch. Nechamandra Planchon Nechamandra
13.
Maidenia
Maidenia
 Rendle
Maidenia
 Rendle
Maidenia
14. Vallisneria Vallisneria L. Vallisneria L. Vallisneria
15. Enhalus Enhalus Rich. Enhalus Richard Enhalus
16. Thalassia Thalassia Banks ex C.Koenig Thalassia C. Koenig Thalassia
17. Halophila Halophila Thouars Halophila Thouars Halophila
(in Najas, Najadaceae) Najas L. Najas L. (in Najas, Najadaceae)
(name not found)
Enhydrias
 Ridl.		 (in Blyxa, Hydrocharitaceae) (name not found)
(name not found)
Oligolobos
 Gagnep.		 (in Ottelia, Hydrocharitaceae) (name not found)
Najadaceae
1. Najas (in Najas, Hydrocharitaceae) (in Najas, Hydrocharitaceae) Najas

References

  1. ^
    hdl:10654/18083
    .
  2. doi:10.11646/phytotaxa.261.3.1
    .
  3. doi:10.5642/aliso.20062201.18
  4. S2CID 10939773
  5. JSTOR 2419820
  6. ^ Genera of Hydrocharitaceae, GRIN Taxonomy for Plants
  7. ^ Kubitzki (ed.) 1998. The families and genera of vascular plants, vol 4, Monocotyledons: Alismatanae and Commelinanae (except Gramineae). Springer-Verlag, Berlin.
  8. ^ Vascular Plant Families and Genera. List of genera in family HYDROCHARITACEAE (accessed 2016-06-02) http://data.kew.org/cgi-bin/vpfg1992/genlist.pl?HYDROCHARITACEAE
  9. ^ VASCULAR PLANT FAMILIES and GENERA. List of Genera in HYDROCHARITACEAE. (accessed 2016-06-02) http://www.mobot.org/mobot/research/apweb/genera/hydrocharitaceaegen.html
  10. ^ Watson & Dallwitz. Hydrocharitaceae. The families of flowering plants. http://delta-intkey.com/angio/www/hydrocha.htm Archived 2009-04-08 at the Wayback Machine

External links

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