Cyperaceae

Smooth bogrush

Schoenus apogon Roem. & Schult.

Family: Cyperaceae
Genus: Schoenus

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Smooth bogrush (Schoenus apogon) — FlowerPhoto: Greg Tasney, CC BY-SA 4.0, from iNaturalist

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Common names

By language (3)

Chinese: 矮赤箭莎
English: Smooth bogrush
Japanese: ノグサ

Synonyms

Chaetospora imberbis R.Br.
Helothrix imberbis (R.Br.) Palla
Schoenus brownii Hook.f.

Flowers

In flower: August to November (from 52 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Hawaii: introduced

Photos

FlowerPhoto: Greg Tasney, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Joe Dillon, CC BY 4.0, from iNaturalist
FlowerPhoto: corunastylis, CC0, from iNaturalist
FlowerPhoto: Christopher Stephens, CC BY-SA 4.0, from iNaturalist
Photo: John Tann from Sydney, Australia, CC BY 2.0, from Wikimedia Commons
Photo: Saryu Mae 前朝琉, CC BY 4.0, from iNaturalist
Photo: insiderelic, CC0, from iNaturalist
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: Greg Tasney, CC BY-SA 4.0, from iNaturalist
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
Photo: Greg Tasney, CC BY-SA 4.0, from iNaturalist
Photo: NSW Grassy Ecosystems, CC BY-SA 2.0, from Wikimedia Commons

More in Schoenus

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.