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Sea Clubrush

Bolboschoenus maritimus

SA tree number

English: Sea Clubrush, Saltmarsh Bulrush, Alkali Bullrush

Afrikaans: Snygras, Snyruigte

Misapplied or old scientific names: Scirpus maritimus

Bolboschoenus maritimus, also known as Sea Clubrush, is a tough and adaptable plant that loves growing in wet, salty areas, especially near the coast. It's got tall, green stems and produces brown spikelets at the top. It's a champion of coastal habitats!

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Overall appearance: A perennial, rhizomatous (having underground stems) herb with erect stems.

Height: Typically grows to 0.5-1.5 metres, sometimes up to 2 metres.

Width: Spreads through its rhizomes, forming clumps or stands.

Leaves: The leaves are mostly basal (growing from the base of the plant), and reduced to sheaths that surround the stem. There may be a few short, linear leaf blades present.

Flowers: The flowers are small, brown, and inconspicuous. They are arranged in spikelets (small clusters of flowers) at the top of the stem, or sometimes in branched inflorescences (flower clusters).

Flowering season: Primarily spring and summer (typically September to February in South Africa).

Fruits: The fruit is a small, achene (a dry, single-seeded fruit).

Seeds: The seeds are small and brownish.

Bark: Not applicable to this herbaceous plant.

Thorns: Absent.

Wood: Not applicable to this herbaceous plant.

Soil type: Prefers wet, saline or brackish soils, typically found in coastal marshes, estuaries, and along shorelines.

Aspect: Prefers full sun.

Edibility: The rhizomes are reportedly edible when cooked, but they are not considered particularly palatable and are not widely eaten. It's best to avoid eating wild plants without positive identification and knowledge of their edibility.


Toxicity: No specific toxicity information is readily available, but it's generally not recommended to ingest any wild plant without proper identification.


Uses: Plays an important role in stabilizing shorelines and providing habitat for wildlife. It is not generally used in horticulture.


What birds it attracts: Water birds may use it for nesting material or shelter.

What insects it attracts: Various insects may visit the flowers.

What mammals it attracts: Not a significant attractant for mammals.


Fun Facts about Bolboschoenus maritimus (Sea Clubrush):

  • It's a very adaptable plant that can tolerate salty conditions.

  • It plays an important role in coastal ecosystems.

  • It spreads through underground stems called rhizomes.

  • The brown spikelets at the top of the stems are its flowers.

This plant is a fantastic alternative for:

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