Photographs: Ballingeary, Co.Cork
Flowers small, reddish-brown, with green lower lobes. Leaves oval, pointed, sharp-toothed. Square stems, not or slightly winged. Rhizome with many tuber-like swellings. Height to 100cm. S. nodosa var. bobartii is a green-flowered form.
Woods, hedgebanks, waste ground.
Similar: Water Figwort, S. auriculata.
Blunt-tipped leaves, wide-winged stems.
Photographs above: Ballingeary, Co.Cork. August 2006