Flowering rush

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

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

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. 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].

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