Butomus

Butomus is the only known genus in the plant family Butomaceae, native to Europe and Asia. It is considered invasive in some parts of the United States.[3]

Flowering rush
Butomus umbellatus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Butomaceae
Mirb.[1]
Genus: Butomus
L.
Type species
Butomus umbellatus
Species

See text

Butomus umbellatus[2]

Taxonomy

The Butomaceae family 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. 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].

Species

The family counts one species, Butomus umbellatus, or two according to some authorities.

  • Butomus umbellatus var. junceus (Turcz.) Micheli - Central Asia (also known as Butomus junceus Turcz.)[6]

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, archived from the original on 2017-05-25, retrieved 2010-12-10
  2. illustration from Prof. Dr. Otto Wilhelm Thomé Flora von Deutschland, Österreich und der Schweiz 1885, Gera, Germany
  3. "Flowering rush - Invasive species: Minnesota DNR". www.dnr.state.mn.us. Retrieved 2018-02-06.
  4. "Butomus umbellatus in Flora of China @ efloras.org". www.efloras.org. Retrieved 2017-01-31.
  5. "Butomaceae in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-31.
  6. "Search results — The Plant List". www.theplantlist.org. Retrieved 2017-01-31.
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