Butomus

Flowering rush
Butomus umbellatus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Alismatales
Family: Butomaceae
Mirb.[1]
Genus: Butomus
L.
Species: B. umbellatus
Type species
Butomus umbellatus L.
Butomus umbellatus[2]

Butomus is the only known genus in the plant family Butomaceae, native to Europe and Asia. Two species are recognized:

Species[3][4]

Butomaceae

Butomaceae has been recognized by most taxonomists as a plant family; it is sometimes called the "flowering-rush family".

The APG II system, of 2003 (unchanged from the APG system, 1998), also recognizes such a family, and places it in the order Alismatales, in the clade monocots. The family counts a single species, Butomus umbellatus.

At the ranks of family and order this is the same placement as in the Cronquist system. However, Cronquist assumed a much smaller order and assigned the order to subclass Alismatidae, in class Liliopsida [=monocotyledons].


References

  1. Angiosperm Phylogeny Group (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x, retrieved 2010-12-10
  2. illustration from Prof. Dr. Otto Wilhelm Thomé Flora von Deutschland, Österreich und der Schweiz 1885, Gera, Germany
  3. The Plant List search for Butomus
  4. Butomaceae in the Flora of North America
  5. Flora of China, 花蔺 hua lin Butomus umbellatus Linnaeus

External links

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