Statut pour la Guyane française
Funk, V., Hollowell, T., Berry, P., Kelloff, C. & Alexander, S. N. 2007. Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium, 55: 1-580. [GF = P]

 

Date de publication : Fl. Bor.-Amer., 1: 239. 1803 [19/03/1803, fide TL-2, 5958].

Description originale : P[olygonum]. (hydropiperoides) stipulis undique hirsutis, promisse ciliatis; foliis angusto-lanceolatis, sessilibus, minutim asperiusculeque hirsutulis: spicis linearibus, debilibus; bracteis subimbricatis, ciliatis; floribus octandris, semitrigynis.
Obs. Habitus Hydropiperis: non acre; folia angustiora: flores purpurascentes, raro 7-andri.
Hab. in Pensylvania, Virginia, Carolina.

Type : USA, Michaux (ST: B100279365, P00734462, P00734463).