Sea Club-rush - Bolboschoenus maritimus

Alternative names
Scirpus maritimus
Description

30 to 100 cm tall with sharply three angled, leafy stems. Leaves keeled, to 10 mm wide with rough edges. Inflorescence either a dense head of spikelets, or more loosely branched. Spikelets are 10 to 20 mm long, ovoid, dark red-brown. Glumes to 7mm long.

Similar Species

Bolboschoenus laticarpus

Identification difficulty
Recording advice

Due to similarity with B laticarpus, 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

Wet environments. Mainly coastal but there are a number of records inland.

When to see it

Flowers July and August.

Life History

Perennial.

UK Status

Widespread and fairly frequent in coastal areas of Britain, more localised inland.

VC55 Status

Infrequent in Leicestershire and Rutland and not recorded in the Flora of Leicestershire (Primavesi and Evans 1988)

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Sea Club-rush
Species group:
flowering plant
Kingdom:
Plantae
Order:
Poales
Family:
Cyperaceae
Records on NatureSpot:
1
First record:
31/08/2018 (Nicholls, David)
Last record:
31/08/2018 (Nicholls, David)

Total records by month

% of records within its species group

10km squares with records

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