Eleocharis elliptica
 
Slender Spike-Rush

Middle Culm, Two Views

Greenbush Bog, 20 km West of Hudson Bay, SK on Highway #3
02-August-2017

This is a single culm showing views at 0 degrees and after rotating 90 degrees about its long axis.  It is 1.3 times as wide as thick.  In general, the culms of E. elliptica are subterete to (2)3 times as wide as thick.  Note the culms of E. compressa are subterete to 5 times as wide as thick, while the culms of E. nitida are terete.