Juncaceae

Bog rush

Juncus biflorus Elliott

Family: Juncaceae
Genus: Juncus

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Bog rush (Juncus biflorus) — FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist

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Common names

By language (2)

Arabic: أسل ثنائي الأزهار
English: Bog rush

Synonyms

Juncus biflorus f. adinus Fernald & Griscom
Juncus biflorus f. biflorus
Juncus marginatus var. biflorus (Elliott) Chapm.
Tristemon biflorus (Elliott) Raf.

Flowers

In flower: February, May (from 8 flowering iNaturalist observations worldwide)
Flower colour: red (USDA PLANTS Database)

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Lower 48 states: native

Photos

FlowerPhoto: mfeaver, CC BY 4.0, from iNaturalist
FlowerPhoto: Nicola van Berkel, CC BY-SA 4.0, from iNaturalist
FruitPhoto: Jay Horn, CC BY 4.0, from iNaturalist
FruitPhoto: Jay Horn, CC BY 4.0, from iNaturalist
Photo: Michael J. Papay, CC BY 4.0, from iNaturalist
Photo: Nathan Aaron, CC BY 4.0, from iNaturalist
Photo: Becky Dill, CC0, from iNaturalist
Photo: Lauren McLaurin, CC BY 4.0, from iNaturalist
Photo: Karen Guin, CC BY 4.0, from iNaturalist
Photo: hr_dragonfly, CC BY 4.0, from iNaturalist
Photo: Reuven Martin, CC0, from iNaturalist
Photo: Stephanie C, CC0, from iNaturalist

More in Juncus

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.