Irish wildflowers

Annual Mercury, Mercurialis annua, Lus glinne beag
Photos: Kinsale, Co.Cork

Annual Mercury
Mercurialis annua
Lus glinne beag
Family: Euphorbiaceae

Flowering March-October. Annual. Introduced.

Very small green flowers, clusters of female flowers, male flowers in more/less erect spikes. Many stamens. Produces very long-lived seed. Short-stalked bright green leaves, toothed. Stems branched from base, leaves and stems usually hairless.

Prefers disturbed, light, nutrient-rich soils. Waste ground, gardens, roadsides, usually near habitation. Widespread in Co. Dublin, also found in Cork city, scattered distribution elsewhere in S and E Ireland.
     


    
Annual Mercury. Kinsale, Co.Cork. April 2008

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