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Fringed water plantain

Damasonium californicum · Aquatic plants

Fringed water plantain: Flowers or seeds

Flowers or seeds · Photo: Dominic Gentilcore / CC BY

NativeEmergent

Also called Damasonium, Star fruit

How to identify Fringed water plantain

  • Lance to oval leaves on long stalks
  • White to pinkish flowers with fringed petals
  • Star shaped fruits
  • Small plants

Similar plants

Water plantain has smooth petal edges and round fruits.

Growth profile

Growing seasonGrows as pools fill in spring, flowers May to July and dies as pools dry.
Starts growingAbout 50 F water
LightFull sun
DepthA few inches to about 1 foot of water
How it spreadsSeeds
HabitatSeasonal pools and shallow pond edges.

Why it matters in a lake

Rare plant of seasonal pools.

Where it is found

  • Idaho: Rare
  • Oregon: Rare
  • Wyoming: Not recorded

Classification

KingdomPlantae
PhylumTracheophyta
ClassMagnoliopsida
OrderAlismatales
FamilyAlismataceae
Scientific nameDamasonium californicum

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