Skip Navigation

Go
Species Search:
FieldGuidesthreatened and/or endangered search resultsthreatened and/or endangered

previous  | next

Water Parsnip Sium suave

 

enlarge +

Water Parsnip
credit: KENPEI/CCSA

All Images

 

Get Our Newsletters

 

Advanced Search

Alternate name: Hemlock Water Parsnip

Family: Apiaceae, Carrot view all from this family



Description Native perennial. Fragrant. Height: 2-6'. Habit: stout & erect, with single smooth stem, alternately branched. Leaf: pinnately-divided into narrow, sharply-toothed leaflets up to 3/4" wide x 2" long. Flower: compound umbel, 1-5" diameter, of small off-white flower clusters. Fruit: dry ribbed oval containing 2 seeds. Fibrous roots.


Flower July-August.


Habitat Sunny marshes, wetlands, and shorelines.


Range With the exception of New Mexico and Oklahoma, found throughout the continental U.S.; Alaska; non-arctic Canada.


Discussion Very similar in appearance to the highly poisonous Water Hemlock (Cicuta maculata). Water parsnip is an obligate wetland indicator throughout its American range. Also known as: hemlock water-parsnip.


 

 

 

2007 eNature.com