Sagittaria subulata (L.) Buchenau

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family


  • Scientific Name

    Sagittaria subulata (L.) Buchenau

  • Description

    Species Description - Plants of tidal waters, or submersed in inland waters mainly near the coast; lvs typically phyllodial and bladeless, 5–30 cm × 1–6 mm, or the floating end not infrequently dilated into an ovate or elliptic (rarely cordate or sagittate) blade 2–6 × 1–2 cm; scape erect or floating, to 40(–90) cm; fls in 1–10 whorls (or solitary and terminal), the upper generally staminate and slender-pedicellate, the lower pistillate, on stout, recurved pedicels; bracts thin, mostly connate at base, the lance-ovate body 2–4 mm, with a caudate tip, soon evanescent; sep 2–5 mm, widely spreading in fr; pet 5–10 mm; stamens 7–15, the glabrous or subglabrous filaments subulate, equaling or somewhat longer than the anthers; achenes 1.5–2.5 mm, crenulate-winged on the margins and with 1–3 crenulate wings on each face, the beak subulate, oblique, 0.2–0.5 mm; 2n=22, 44. Coastal states from Mass. and N.Y. (to the upper limits of tidal effect on the Hudson R.) to Fla. and Ala. July–Sept. (S. natans; S. subulata var. gracillima = S. lorata = S. stagnorum, a sporadic deep-water riverine non-tidal form with phyllodial lvs 30–90 cm, the floating ends rarely expanded)

  • Common Names

    Hudson sagittaria