Helosciadium nodiflorum (L.) W.D.J.Koch
Family: UMBELLIFERAE (APIACEAE)
Genus: Helosciadium
Sinònims: Apium nodiflorum (L.) Lag.
Catalan common name: Agret. Api de síquia. Clenxot. Creixenera. Créixens bords. Gallassa.
Spanish common name: Berraza. Berrera.
Province distribution: Alacant. Balearic Islands. Barcelona. Castelló. Girona. Lleida. Tarragona. València.
Distribution in the islands: Mallorca. Menorca. Ibiza.
General distribution (Phytogeography): Some regions
Uses and properties: Aromatic.
IUCN Category: Least concern
Flowering time: JanFebMarAprMayJunJulAugSepOctNovDec
Life-forms: Heliophyte. Hydrophyte.
Habitats: Non-saline wetlands (intermittent watercourses, streams, artesian wells, ditches). Intermittent watercourses, streams, artesian wells.
Characteristics: European marshworts are in fact Apiaceae which live inside fresh running water, often accompanied by water cress (Rorippa nasturtium-aquaticum). The leaves are composite with paired, dentate leaflets; the flowers are white and are grouped in umbels. It has stoloniferous stalks rooted in the sediment of torrents (dry river beds) and canals, this characteristic together with the morphology of the leaves make it possible to differentiate it from the other Apiaceae, Apium graveolens which does not have stolons. Flowers in May and during the summer..