Cyperaceae
Needle spikerush
Eleocharis acicularis
- Family
- Cyperaceae
- Genus
- Eleocharis
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Common names
By language (12)
- Arabic
- أسيكيولاريس
- Catalan
- Scirpe épingle
- Chinese
- 牛毛顫
- Czech
- Bahnička jehlovitá
- Dutch
- Naaldwaterbies
- English
- Needle spikerush, Needle spike-rush
- Finnish
- Hapsiluikka
- French
- Scirpe épingle, Héléocharis épingle
- German
- Nadel-Sumpfsimse, Nadelried, Nadel-Sumpfbinse, Scirpe épingle
- Lithuanian
- Scirpe épingle
- Romanian
- Pipiriguț
- Swedish
- Scirpe épingle
Synonyms
- Chaetocyperus acicularis (L.) Nees
- Clavula acicularis (L.) Dumort.
- Cyperus acicularis (L.) With.
- Eleocharis acicularis f. acicularis
- Eleocharis acicularis f. submersa Ostenf.
- Eleocharis acicularis var. fluitans Döll
- Eleocharis acicularis var. typica Svenson
- Isolepis acicularis (L.) Schltdl.
- Limnochloa acicularis (L.) Rchb.
- Mariscus acicularis (L.) Moench
- Scirpidium aciculare (L.) Nees
- Scirpus acicularis L.
- Scirpus acicularis f. submersa (Nilsson) Norman
- Trichophyllum aciculare (L.) House
Flowers
- In flower
- June to September (from 41 flowering iNaturalist observations worldwide)
- Flower colour
- white (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Annual, Perennial
- In the US and Canada
- Alaska: native, Canada: native, Greenland: native, Lower 48 states: native, Pacific Basin: native, St. Pierre and Miquelon: native
Photos
FlowerPhoto: Евгений Маринкин, CC BY 4.0, from iNaturalist 
FlowerPhoto: Arvel Hernandez, CC BY 4.0, from iNaturalist 
FlowerPhoto: Branson Khounvichith, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: Brighton Lee, CC0, from iNaturalist 
Photo: Kristian Peters -- Fabelfroh 07:18, 1 July 2007, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Marcus Tamura, CC0, from iNaturalist 
Photo: David MERCIER, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Stanislav Murashkin, CC BY 4.0, from iNaturalist 
Photo: Mathieu MENAND, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Mathieu MENAND, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Patrick Le Mao, CC0, from iNaturalist 
Photo: Julia Kruse, CC BY-SA 3.0, from Wikimedia Commons
More in Eleocharis
- Chinese water chestnutEleocharis dulcisCyperaceae
- Common spikerushEleocharis palustrisCyperaceae
- Dwarf spikerushEleocharis parvulaCyperaceae
- Fewflower spikerushEleocharis quinquefloraCyperaceae
- Onescale spikerushEleocharis uniglumisCyperaceae
- Ovate spikerushEleocharis ovataCyperaceae
- Many-stalked spike-rushEleocharis multicaulisCyperaceae
- Soft-stem spikerushEleocharis mamillataCyperaceae
- Purple spikerushEleocharis atropurpureaCyperaceae
- Canada spikesedgeEleocharis geniculataCyperaceae
- Jointed spikesedgeEleocharis equisetoidesCyperaceae
- Yellow spikerushEleocharis flavescensCyperaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.