Juncus roemerianus

needlegrass
Family

Juncaceae

Leaf Arrangement

alternate

Leaf Margin

entire

Leaf Type

no leaves

Growth Form

graminoid, emergent aquatic, aquatic

Flower Color

inconspicuous

Flower Month

May - October

Height (meters)

0.4 - 2.0

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

native

Lifespan

perennial


Wetland Class

OBL

Wetland Coefficient of Conservatism

9

Field Characters

Juncus roemerianus is similar to J. effusus in that its bract continues past the inflorescence making the inflorescence appear to be several inches below the top of the culm. J. roemerianus has sharp culm tips while those of J. effusus are soft. Juncus roemerianus is darker green and more salt tolerant than Juncus effusus. Without leaves – flowers emerging from side of stem down from tip, round stem. Dark colored, tips sharp to touch.

Habitat

Brackish and salt marshes, tidal marshes.