Hypericum ellipticum Hook.
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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
Clusiaceae
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Scientific Name
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Description
Species Description - Rhizomatous herb 2–5 dm, usually simple to the infl; lvs elliptic, 1–3(–4) cm, a third to half as wide, obtuse or rounded at both ends or somewhat tapering below, not revolute; cymes with few–many fls; bracts linear or lanceolate; sep oblanceolate to narrowly obovate, to 6 mm; pet 5–7 mm; stigmas 3(4), minute; fr unilocular (the placentas slightly intruded), ovoid, 5–6 mm, rounded to a short beak; 2n reported as 16, 18. Wet shores and marshes; Nf. and N.S. to w. Ont., s. to Conn., N.Y., Mich., Minn., and at higher altitudes to W.Va. and N.C. July–Aug.