Bladder-sedge - Carex vesicaria

Description

This species has shortly creeping rhizomes bearing shoots in small tufts. It reaches between 30 and 120 cm in height. Stems are rough towards the top but not lower down. The leaves may reach a metre in length or more, they are narrow, rigid, pleated with fine toothed edges and fine points. The fruits are inflated, shiny and erect.

Similar Species

other sedges

Identification difficulty
Recording advice

Records from this species should be confirmed by a County Recorder for botany.  It is on the VC55 Rare Plant Register, and therefore a specimen should not be taken.  Take detailed field photos and submit to NatureSpot as soon as possible; and if you think you have found it in a new location, inform the County Recorder as soon you can. (RPR)

Habitat

Only in wetland habitats, pond margins etc.

When to see it

Flowering May or June.

UK Status

Carex vesicaria is found dotted throughout Britain without being abundant anywhere.

VC55 Status

Scarce in Leicestershire and Rutland.

In the Flora of Leicestershire (Primavesi & Evans, 1988) it was only found in 5 of the 617 tetrads.

In the VC55 Checklist (Jeeves 2011) it is listed as Rare, with records from 25 tetrads.

It is on the current VC55 Rare Plant Register (Hall and Woodward, 2022) as locally scarce, but increasing; possibly better recorded than in the past. 

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Common names
Bladder-sedge
Species group:
Grasses, Rushes & Sedges
Kingdom:
Plantae
Order:
Poales
Family:
Cyperaceae
Records on NatureSpot:
2
First record:
22/05/2013 (Cooper, Barbara)
Last record:
21/05/2022 (Cooper, Barbara)

Total records by month

% of records within its species group

10km squares with records

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