Irish wildflowers


Photographs: Sherkin Island, Cork


Ray's Knotgrass
Polygonum oxyspernum ssp. raii
Glúineach ghlé
Family: Polygonaceae

Flowering time: June-November. Annual, biennial or short-lived perennial.

Clusters of tiny greenish-white flowers, red-edged. 5-petalled.
Glossy brown nut, longer than calyx.
Elliptical green-grey leaves, slightly rolled back edges.
Sprawling stems, often woody at base. Prostrate growth habit.

Coastal on sand and shingle beaches, usually above highest tide level.
Scattered distribution. Native.
     


    
Photographs above: Sherkin Island, Co.Cork. August 2007

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