Common lake margin herb. Also present in shallow water. Erect herbs up to 300 mm tall; stems sparingly branched, covered in extremely viscid indumentum; leaves lime-green, unspotted, flowers pedicellate, sweetly scented. For more information see: de Lange, P.J. 1997: Gratiola pedunculata (Scrophulariaceae): a new addition to the New Zealand flora. New Zealand Journal of Botany 35: 317-322