wetlands
New England state
Connecticut Maine Massachusetts New Hampshire Rhode Island Vermont
Stem shape in cross-section
the stem is roughly triangular in cross-section
Leaf blade width
7–17 mm
Leaf blade cross-section
the leaf blade is flat or rolled in at the edges
Inflorescence position
the inflorescence is at the tip of the plant
Inflorescence branching
the inflorescence is branched
Fruit type (general)
the fruit is like a seed, and surrounded by scales
Fruit length
0.8–1.3 mm
Leaf position on plant
some leaf attachment points are above the midpoint of the stem
the attachment points of all the leaves are at or near the base of the plant
Perianth composition
there are bristles attached at the base of the achene
Fruit cross-section
the fruit is lenticular (lens-shaped) in cross-section
the fruit is triangular to terete (circular) in cross-section