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Pond margin crucifer

Observed: 27th May 2012 By: neilpinder2000

17cm tall brassica. White petals. Yellowish-green sepals. Single disc-shaped stigma. Corolla 5mm diameter. Fruits twin-valved, circular cross section, 8mm long with short (2mm) beak and 9mm long stalk. Leaves alternate up stem (n0 basal rosette) up to 8mm x 10mm almost circular, cordate, not toothed, hairless on 5mm long stalk.
Amongst Berula erecta at edge of garden pond.

Species interactions

No interactions present.

Species with which Water Cress (Rorippa nasturtium-aquaticum) interacts