Sium latifolium

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Sium latifolium
Sium latifolium.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Apiales
Family: Apiaceae
Genus: Sium
Species: S. latifolium
Binomial name
Sium latifolium

Sium latifolium is a species of flowering plant in the family Apiaceae known by the common names great water-parsnip, greater water-parsnip,[1] and wideleaf waterparsnip.[2] It is native to much of Europe, Kazakhstan, and Siberia.[1]

This plant grows in wet habitat such as swamps and lakeshores, sometimes in the water. It is a perennial herb with a hollow, grooved stem up to 2 meters tall. The herbage is green and hairless. The leaves are up to 30 centimeters long with blades borne on hollow petioles that clasp the stem at their bases. The inflorescence is an umbel of white flowers.[3]

When eaten by dairy cows, the plant tends to imbue their milk with an unpleasant taste.[3]


  1. ^ a b Sium latifolium. Germplasm Resources Information Network (GRIN).
  2. ^ Sium latifolium. USDA PLANTS.
  3. ^ a b Forbes, R. Sium latifolium – greater water-parsnip. Northern Ireland Priority Species. National Museums Northern Ireland.