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Persicaria

Persicaria
Family: Polygonaceae
Persicaria image
Max Licher
  • FNA
  • Resources
Harold R. Hinds+, Craig C. Freeman in Flora of North America (vol. 5)
Herbs, perennial or annual (sometimes suffrutescent in P. wallichii); taprooted or fibrous-rooted; sometimes rhizomatous or stoloniferous. Stems erect or, sometimes, prostrate or scandent, simple or branched, glabrous or pubescent, rarely with recurved prickles. Leaves deciduous, mostly cauline, alternate, petiolate or sessile; ocrea persistent or disintegrating with age and deciduous entirely or distally, usually tan, brown, or reddish, chartaceous or partially to entirely foliaceous, rarely coriaceous proximally and chartaceous distally, glabrous or scabrous to variously pubescent, never 2-lobed distally; blade lanceolate or ovate to hastate or sagittate, margins entire or, rarely, hastately lobed. Inflorescences terminal or terminal and axillary, spikelike, paniclelike, or capitate; peduncle present. Pedicels present or absent. Flowers bisexual (often functionally unisexual in P. amphibia and P. hydropiperoides), 1-14 per ocreate fascicle, base not stipelike; perianth white, greenish white, roseate, red, or purple, campanulate or urceolate, rarely rotate, rarely becoming fleshy in fruit, glabrous, sometimes glandular-punctate, accrescent or nonaccrescent; tepals 4-5, connate 1/ 2/ 3 their lengths (less than 5 their lengths in P. wallichii), petaloid, dimorphic, outer larger than inner; stamens 5-8, filaments distinct or connate basally, outer ones sometimes adnate to perianth tube, glabrous; anthers yellow, pink, or red, elliptic to ovate; styles 2-3, erect to spreading or reflexed, distinct or connate; stigmas capitate. Achenes included or exserted, brown or dark brown to black, not winged, discoid, biconvex, 2-3-gonous, or spheroidal, glabrous. Seeds: embryo curved. x = 10, 11, 12.
Species within checklist: South Dakota
Persicaria amphibia
Media resource of Persicaria amphibia
Map not
Available
Persicaria bicornis
Media resource of Persicaria bicornis
Map not
Available
Persicaria coccinea
Media resource of Persicaria coccinea
Map not
Available
Persicaria hydropiper
Media resource of Persicaria hydropiper
Map not
Available
Persicaria hydropiperoides
Media resource of Persicaria hydropiperoides
Map not
Available
Persicaria incarnata
Media resource of Persicaria incarnata
Map not
Available
Persicaria lapathifolia
Media resource of Persicaria lapathifolia
Map not
Available
Persicaria longistyla
Media resource of Persicaria longistyla
Map not
Available
Persicaria maculata
Media resource of Persicaria maculata
Map not
Available
Persicaria maculosa
Media resource of Persicaria maculosa
Map not
Available
Persicaria mesochora
Media resource of Persicaria mesochora
Map not
Available
Persicaria mississippiensis
Media resource of Persicaria mississippiensis
Map not
Available
Persicaria muehlenbergii
Media resource of Persicaria muehlenbergii
Map not
Available
Persicaria nebraskensis
Media resource of Persicaria nebraskensis
Map not
Available
Persicaria opelousana
Media resource of Persicaria opelousana
Map not
Available
Persicaria paludicola
Media resource of Persicaria paludicola
Map not
Available
Persicaria pensylvanica
Media resource of Persicaria pensylvanica
Map not
Available
Persicaria persicaria
Media resource of Persicaria persicaria
Map not
Available
Persicaria persicarioides
Media resource of Persicaria persicarioides
Map not
Available
Persicaria ruderalis
Media resource of Persicaria ruderalis
Map not
Available
Persicaria sagittata
Media resource of Persicaria sagittata
Map not
Available
Persicaria tomentosa
Media resource of Persicaria tomentosa
Map not
Available
Persicaria vivipara
Media resource of Persicaria vivipara
Map not
Available
Persicaria vulgaris
Media resource of Persicaria vulgaris
Map not
Available
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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