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Skunk cabbage

Lysichiton americanus · Aquatic plants

Skunk cabbage: Flowers or seeds

Flowers or seeds · Photo: florawhite / CC BY

NativeEmergent

Also called Yellow skunk cabbage, Swamp lantern, Western skunk cabbage

How to identify Skunk cabbage

  • Huge, bright green leaves up to 4 feet
  • Yellow hoodlike flower in early spring
  • Skunky smell
  • Fleshy rootstock

Similar plants

Yellow pond lily has floating round leaves; false hellebore grows on drier ground with pleated leaves.

Growth profile

Growing seasonFlowers in March and April, leaves grow through summer and die back in fall.
Starts growingAbout 40 F soil
LightPart shade to shade
DepthSaturated muck to about 6 inches of water
How it spreadsSeeds and rootstocks
HabitatSwamps, seeps, spring fed ponds and wet woods with mucky soil.

Why it matters in a lake

Contains crystals that burn the mouth; toxic if eaten raw.

Where it is found

  • Idaho: Occasional
  • Oregon: Occasional
  • Wyoming: Not recorded

Classification

KingdomPlantae
PhylumTracheophyta
ClassMagnoliopsida
OrderAlismatales
FamilyAraceae
Scientific nameLysichiton americanus

Need a hand?

Is it taking over your lake?

We identify what is growing, map how much of it there is and build a control plan that targets it without harming the rest of the lake.

Idaho / Wyoming (208) 501-4531Oregon (541) 280-0596