Viola persicifolia. Fen violet.

Life-form & Growth Form:

Hemicryptophyte. Herbaceous perennial. Little/no vegetative spread. 

Spore producing period: 

May to June.

Habitats: 

Damp base-rich soil. Seasonally wet fens, margins of turloughs, damp grassland. Lowland. Prefers disturbance.

Threats:

Records are now old, it is most likely extinct in northern Ireland.

Static distribution map:
Viola persicifolia
Viola persicifolia
For an interactive map follow this link to the BSBI webpage