Common Name:
CRESTED ARROWHEAD
Synonym:
Sagittaria graminea
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Coefficient of Conservatism:
9
Coefficient of Wetness:
-5
Wetness Index:
OBL
Physiognomy:
Nt P-Forb
L. Wallis
Included in S. graminea in Michigan Flora.
Sandy, peaty, or muddy shores, marshes, and swales, often in shallow water. Though with a rather narrow distribution centered on the Great Lakes region, this is a relatively frequent species in Michigan and occurs throughout the state. Like S. graminea, it produces rosettes of stiff underwater phyllodial leaves (leaves derived from bladeless petioles) suggestive of knife blades in shape (not the elongate, thin, limp ribbon-like ones of S. cuneata).