Lanceleaf water plantain
Alisma lanceolatum · Aquatic plants
Whole plant · Photo: Leon Perrie / CC BY
Also called Narrowleaf water plantain (European)
How to identify Lanceleaf water plantain
- Lance shaped leaves tapering to the stalk
- Branched clusters of pink tinged flowers
- Flowers open in the morning
- Basal rosette
Similar plants
Water plantain has oval leaves with rounded bases and white flowers.
Growth profile
| Growing season | Grows from spring, flowers June to September. |
|---|---|
| Starts growing | About 55 F soil |
| Light | Full sun |
| Depth | Moist shoreline to about 1 foot of water |
| How it spreads | Seeds |
| Habitat | Ditches, pond edges and wet fields at low elevation. |
Why it matters in a lake
Non native; established in low elevation ditches and wet fields.
Where it is found
- Idaho: Not recorded
- Oregon: Occasional
- Wyoming: Not recorded
Classification
| Kingdom | Plantae |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Alismatales |
| Family | Alismataceae |
| Scientific name | Alisma lanceolatum |
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
