
Butomus is the sole genus in the monogeneric plant family Butomaceae, containing the single species Butomus umbellatus, also known as flowering rush or grass rush. The plant is a rhizomatous, hairless, perennial aquatic plant. Its name is derived from Greek bous, meaning `cow`, `ox` etc. and tome, a cut (the verb `temnein` meaning `to cut`...
Found on
http://en.wikipedia.org/wiki/Butomus

(Flowering Rush) This aquatic perennial is a native to Europe and Asia. The Flowering Rush, as it is commonly called, grows up to 3 feet high and has long and narrow, dark green, pointy leaves. From June to August, very long stems rise above the foliage and produce large umbels of rose-colored flowers.…
Found on
http://www.encyclo.co.uk/local/10004

Butomus is a genus of monocotyledons of the family Butomaceae. The only species, Butomus umbellatus, the Flowering Rush, is the most elegant and beautiful of British marsh plants.
Found on
http://www.probertencyclopaedia.com/browse/BBA.HTM
No exact match found.