New York Metropolitan Flora

Sium suave Walt. - Hemlock Water-parsnip

Sium suave

Sium suave with di-morphic leaves

Photo by Steven D. Glenn

Native , Frequent

By Science Staff

Not peer reviewed

Last Modified 07/22/2013

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Sium suave
A lax, aquatic entity with few leaflets or simple leaves has been recognized as Sium suave forma carsonii (Durland) Fassett or by other authorities as a species- Sium carsonii Durand ex A. Gray. We have herein mapped all records of Sium as one unit.

Common Names

Hemlock Water-parsnip