Persicaria maculosa NS6051 9July2020 PW

Persicaria maculosa NS 7467 28Aug2019 PW

Persicaria maculosa NS6051 9July2020 PW

Persicaria lapathifolia is on the left and the smaller, pink Persicaria maculosa os on the right.

Persicaria lapathifolia Persicaria maculosa NS7158 12Jul2018 PW

Persicaria lapathifolia NS6162 20Oct17 PW

Persicaria lapathifolia NS7158 12Jul2018 PW

This shows the short glandular hairs on the stem which can be used to differentiate from a pale Persicaria maculosa.

Persicaria lapathifolia NS7158 12Jul2018 PW

This shows the short glandular hairs at x 20 magnification. This is detail that can be seen with a hand-lens in the field.

Persicaria lapathifolia NS7948 1Aug2020

Persicaria lapathifolia NS7158 12Jul2018 PW

Persicaria lapathifolia NS6162 20Oct17 PW

Persicaria amphibia NS6567 14Jun2014 PW

Persicaria amphibia NN8943 24June2018 PW

It also grows well on damp land.

Persicaria amphibia NS7748 28Jul2020 MP

Persicaria amphibia NS6058 27Jul2013 PW

Persicaria amphibia NS5970 21July2018 PW

The pale mid-rib, cordate base are distinctive.

Persicaria amphibia NS5970 21July2018 PW

A very distinctive leaf: white mid-rib, cordate base and one or two pairs of secondary veins running parallel to the mid-rib.

Persicaria bistorta 4May17 NS7155 PW

Persicaria bistorta 27Jul13 NS6058 PW

Persicaria hydropiper NS8070 30Sep17 PW

Persicaria hydropiper NS8070 30Sep17 PW

Persicaria runcinata NS 8345 29Aug2018 PW

Persicaria - Bisorts, Peppers and Persicaria

Persicaria maculosa - Redshank

Persicaria amphibia - Amphibious Bisort

This can occur in grassland and water - hence the name.

The leaves are finely serrate, white-veined and sparsely hairy.

Persicaria bistorta - Common Bistort

Persicaria hydropiper - Water Pepper

This has green / white flowers with glandular hairs. The leaves have a peppery taste.

Persicaria lapathifolia - Pale Persicaria

Persicaria runcinata

This is a garden escaped and is well established in one site in the vice county. This is one of very few established site in the UK. I am pushing for it to be named “Bertwort”.