Irish wildflowers

Unbranched Bur-reed, Sparganium emersum, Rísheisc lom
Photos: The Gearagh, Co.Cork


Unbranched Bur-reed
Sparganium emersum
Rísheisc lom
Family: Sparginaceae

Flowering July-August. Perennial. Native.

Raceme of white flowerheads, 3-10 clearly separated male heads above, 3-4 female below. Fruit are ellipsoid, tapering to beak. Stem leaves strongly keeled, bases not inflated. Stems erect or more/less floating, to 60cm. Rhizomatous.

Occasional in still or slow-moving water. Streams, lake-margins, ditches. More frequent in northern half of Ireland.
Identification by Paul Greena
     


Unbranched Bur-reed, Sparganium emersum       Unbranched Bur-reed, Sparganium emersum


Unbranched Bur-reed, Sparganium emersum
Unbranched Bur-reed. The Gearagh, County Cork. August 2008

Please Contact me if you find mistakes. All images used are copyright.