Lousewort

Lousewort - Powerstock Common, Dorset

Stamens, protruding stigma

Stamens and stigma

Calyx

White form, West Dorset

Leaves
Pedicularis sylvatica
Orobanchaceae
April to July
It is found throughout the country apart from parts of the
East Midlands and East Anglia.
See the BSBI distribution map for Lousewort
It grows on damp grassy heaths, moorlands, bogs and
marshes.
Lousewort is a native, root-hemiparasitic (nutrients
taken from other plants), low growing (8-25cm high),
spreading, perennial herb.
The flower is up to 2.5cm and pink (sometimes white).
The upper lip has a small tooth near the tip and the
lower lip has 3 round lobes.
There are 4 stamens.
The calyx is bladder-like.
The leaves have small, rectangular lobes.
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Lousewort - Powerstock Common, Dorset

Stamens, protruding stigma

Stamens and stigma

Calyx

White form, West Dorset

Leaves
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