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Grass-of-Parnassus

©Philip Precey

Grass-of-parnassus

The stately Grass-of-parnassus displays pretty, white flowers with green stripes. Once widespread, it is now declining as its wetland habitats are disappearing.

Scientific name

Parnassia palustris

When to see

June to September

Species information

Statistics

Height: up to 25cm
Common.

About

Grass-of-parnassus isn't actually a grass, instead getting its common name from the translucent green stripes that adorn the white petals of its cup-shaped flower. Once widely distributed, it is now confined to damp pastures, moors and marshes mainly in the north of the UK, but can still be found in the Norfolk Broads and fens, and also in localised patches in the south. It flowers between June and September.

How to identify

Grass-of-parnassus has open, ivory-white flowers held on long stems. The five petals are delicately striped with green and enclose a cluster of yellow stamens. Around the base of the flower, the dark green, heart-shaped leaves can be seen cupping the stems.

Distribution

Mainly found in Scotland, Northern England and Ireland.

Did you know?

Grass-of-parnassus, also known as 'Bog-star', is the county flower of both Cumbria in England, and Sutherland in Scotland.