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.