Potamogeton strictifolius A.Benn.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Potamogetonaceae
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Scientific Name
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Description
Species Description - Stems very slender; to 1 m, branched above, commonly with paired glands at the nodes; rhizome scarcely developed; lvs all submersed, linear, rather stiff, 2–6 cm × 0.5–2 mm, acute or attenuate or often bristle-tipped, with bold, vein-like margins, 3–5(7)- veined, the lateral veins very delicate, the midvein not bordered by lacunae or with 1 row on each side in the basal third only; stipular sheaths axillary, free, white, 7–15 mm, closed at base when young, becoming conspicuously fibrous in age; winter-buds commonly produced, flattened, the outer lvs divergent, arcuate, inrolled; peduncles mostly terminal, very slender, usually 3–4 cm, not thickened distally; spike slender, 10–15 mm, with 3 or 4 remote whorls of fls; frs obovoid, 2–3 mm, not keeled; 2n=52. Alkaline ponds and streams; Que. to Mack., s. to Conn., N.Y., O., n. Ind., Minn., and Utah. (P. rutilus, misapplied)
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Common Names
straight-leaved pondweed