Triadenum walteri (J.G.Gmel.) Gleason
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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 - Erect, rhizomatous perennial to 1 m, simple or branched above; lvs translucent-dotted, lance-elliptic to oblong or lance-oblong, 5–12 × 1–3 cm, dark-punctate beneath, obtuse or rounded above, narrowed below to a petiole 3–15 mm; cymes terminal and from the upper axils, on peduncles 1–4 mm; pet 5–7 mm; fr 7–12 mm; styles 1 mm. Swamps and marshes on the coastal plain; Md. to Fla. and Tex., n. in the interior to s. Ind. and s. Mo. July–Sept. (Hypericum w.; H. petiolatum Walter, not L.)