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Amphibious Bistort

Persicaria amphibia

Plant Data

Order:
Caryophyllales
Family:
Polygonaceae (Dock)
Type:
Flower
Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC

Flower:
֍
Pink, 5 petals
 
Pink compact spike, 5 petals.
Fruit:
Dark brown to black, round, flattened achene.
Leaves:
The alternate leaves are short-stalked and with tapered bases. The leaf blades are long, narrow, hairy and sometimes tinged red. The submerged leaves are slightly different; they are hairless, have rounded bases and normally float on the surface of the water in which they stand.
Maximum Size:
40 centimetres tall
Other Names:
Devil's Shoestring, Floating Polygonum, Ground Willow, Longroot Smallweed, Swamp Knotweed, Tansy Mustard, Tanweed, Water Buckwheat, Water Heart's-ease, Water Knotweed, Water Smartweed, Water Willow, Willow Grass.
Frequency (UK):
Occasionally seen
Habitats:
Grassland, mud, wasteland, water.