Butomus umbellatus, SE: Blomvass, DE: Schwanenblume,
NL: Zwanenbloem, UK: Flowering Rush
|| ||Butomus umbellatus L.|
|| ||Flowering Rush|
|| ||Butomaceae, Flowering-rush family, Blomvassväxter|
|| ||Fleshy rhizomes; up to 150 cm; cylindrical stalks|
|| ||Rosette arrangement, alternate, three angled, fleshy, twisted ends|
|| || 3 large pink petals; 3 sepals under the petals are also pink and look like small petals; Inflorescences with 20-25 flowers|
|Fruits / pods:
|| ||Dark brown, beaked fruits, 1 cm long, and split at maturity to release the seeds|
|| ||Streams, ponds, ditches, in nutrient-rich lakes|
|| ||Quite common in southern, central Sweden, and Norrland coast, in the rest of the country rare or absent|
Derivation of the botanical name:
Butomus, bous, ox; temmo, to cut; in allusion to the sharp leaf margins; boutomus, boutomon was the ancient Greek name for a sedge.
umbellatus, furnished with umbels.
Flowering-rush spreads through rhizomes and rhizome branches that break off to form new plants.
- The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.