Irish wildflowers

Photographs: The Gearagh Co.Cork

Lesser Marshwort
Apium inundatum
Smaileog bháite
Family: Apiaceae

Flowering time: June-September. Perennial. Native.

Very small umbels, 1-2cm wide, of 2-4 rayed white flowers in leaf axils.
Submerged leaves deeply tripinnate, hair-like feathery appearance. Upper leaves with three-lobed or pinnate narrow leaflets. Hairless. More/less prostrate. To 40cm.

Shallow water or waterside mud. Decreasing due to habitat loss.

Similar: Apium x moorei. Hybrid with Fools Water-cress, A. nodiflorum.
Scattered distribution in Ireland.

Photographs above: The Gearagh, Co.Cork. October 2007

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