Water-pepper

Water-pepper - Persicaria hydropiper

Alternative names
Water Pepper
Description

Medium to tall, erect hairless plant with a burning peppery taste. Leaves narrow-lanceolate, pointed, scarcely stalked. Flowers in a lax slender spike, often drooping especially at the tip, pinkish or greenish white.

Similar Species

Persicaria minor

Identification difficulty
ID checklist (your specimen should have all of these features)

Peppery taste is characteristic; hairs on face of stipules (not terminal cilia) fused to to stipule for >3/4 of length

Recording advice

Nibble clean leaf to detect peppery taste!  Photo of stipules is needed.  

Habitat

Damp places, wet meadows, water margins, woodland rides etc.

When to see it

June to September.

Life History

Annual.

UK Status

Widespread and quite frequent in Britain in suitable habitats.

VC55 Status

Locally frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 166 of the 617 tetrads.

In the current Checklist (Jeeves, 2011) it is listed as Native, Locally Frequent

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Additional images

All NatureSpot records

Photo of the association

Calybites phasianipennella

The larva of the moth Calybites phasianipennella mines the leaves of various plants including Dock species, Yellow Loosestrife,Water-pepper, Black Bindweed and Redshank. An initial gallery leads to a blotch; later instars leaves the mine and feeds inside a cone-shaped leaf-roll, made by cutting a strip out of the leaf the leaf alongside the midrib.