Cyperaceae
Bottlebrush bulrush
Isolepis hystrix
- Family
- Cyperaceae
- Genus
- Isolepis
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Common names
By language (1)
- English
- Bottlebrush bulrush
Synonyms
- Isolepis dregeana Kunth
- Scirpus dipsaceus Vahl ex Kunth
- Scirpus hystrix Thunb.
- Scirpus natalensis Boeckeler ex C.B.Clarke
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: introduced
Photos

Photo: Kevin Thiele from Perth, Australia, CC BY 2.0, from Wikimedia Commons
More in Isolepis
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- Keeled bulrushIsolepis carinataCyperaceae
- Isolepis congruaCyperaceae
- Isolepis crassiusculaCyperaceae
- Isolepis habraCyperaceae
- Swamp club-rushIsolepis inundataCyperaceae
- Isolepis productaCyperaceae
- Isolepis bicolorCyperaceae
- Isolepis levynsianaCyperaceae
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.