Butomus umbellatus

Botanical Description

Butomus umbellatus is a herbaceous, perennial plant producing a cluster of narrow, grass-like leaves up to 150cm tall from a rhizomatous rootstock[ 17 Title Flora of the British Isles. Publication Author Clapham, Tutin and Warburg. Publisher Cambridge University Press Year 1962 ISBN - Description A very comprehensive flora, the standard reference book but it has no pictures. ]. The plant is harvested from the wild for local use as a food. It is often grown as an ornamental in water gardens. The plant has become naturalized as a weed in N. America[ 413 Title Global Invasive Species Database Publication Author Website http://www.issg.org/database/welcome/ Publisher Year 0 ISBN Description Very detailed information on almost 400 species (with more being added) of plants that have become weeds in areas outside their native range. ]. It can displace native riparian vegetation, and can be an obstacle to boat traffic. Once established, populations' increase and can persist indefinitely[ 413 Title Global Invasive Species Database Publication Author Website http://www.issg.org/database/welcome/ Publisher Year 0 ISBN Description Very detailed information on almost 400 species (with more being added) of plants that have become weeds in areas outside their native range. ].