Bogs and Acidic Peatlands of Southern New England by Marsha C. Salett
Taxonomy
Juncus canadensis J. Gay ex LaHarpe
JUNCACEAE (Rush Family)
EtymologyJuncus is the classical Latin name for rush; canadensis is Latin for from or of Canada.
Synonyms (Common Name)Marsh Rush
DescriptionCanada rush is a perennial rush with stout, erect stems. It grows in clumps and varies greatly in size from 1 -- 3 1/2' high. The inflorescences also vary in shape from broad and many-branched to compact with few branches; they bear dense, roundish flower clusters called glomerules. The leaves are round in cross section and are faintly partitioned at regular, horizontal intervals.
Wetland indicator statusOBL
Plant Height1-3.5 feet
LeavesLong, narrow to 1/8" wide, erect, partitioned with faint horizontal rings, round in cross section.
Flower/InflorescenceTerminal inflorescence 3/4 -- 8" long, with many forking branches bearing 5-50 densely-packed flower clusters; subtended by a leaf-like bract shorter than the inflorescence; flowers approx. 1/8" long, pointed; tepals green to tan to reddish-brown.
FruitCapsule, tiny (1/8 -- 3/16"), 3-parted, brown, lance-shaped, short-beaked; many thin, elongate seeds with slender appendage at both ends.
Fruiting PeriodJuly-October.
HabitatSwamps, marshes, wet shores, wet meadows.
RangeNova Scotia to Minnesota; south to South Carolina, Indiana, Nebraska.
(c) 1998-2006 Marsha C. Salett