Marsh Arrowgrass

Marsh Arrowgrass - Triglochin palustris

Description

Short to medium tufted, erect plant reaching 40 or 50 cm. Leaves deeply grooved at base, only 2 mm wide with a short, fairly blunt ligule. Flower 2 to 3 mm long in a lax spike, green/ purple and often fringed.

Identification difficulty
Recording advice

Either obtain confirmation from a County Recorder before submitting a record, or submit detailed images showing key features.  We recommend that you take and retain a specimen; the County Recorder may wish to see this for confirmation. 

Habitat

It is found in wet meadows, fens, stream banks and damp grassland usually on calcareous soils.

When to see it

Flowering time: June and July.

Life History

Perennial.

UK Status

It occurs locally in the British Isles being more common in the north and in Wales.

VC55 Status

Near scarce in Leicestershire and Rutland. 

It was listed in the previous VC55 Rare Plant Register (Jeeves 2011), but is not on the current Register (Hall & Woodward, 2022)

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