Greek bous – ox, temno – to cut, referring to the sharp-edged leaves that discourage browsing by stock.
For description of this monotypic genus see B. umbellatus.
Grown at the edge of pools as an ornamental aquatic plant, with rush-like twisted foliage and clusters of pink flowers, the rhizomes spreading to form colonies. Needs regular division.
1 species from temperate Eurasia.
Source: (2005). Butomaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.