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Persicaria
Family: Polygonaceae
Persicaria image
Max Licher  
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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.
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Species within inventory project: || << 1 - 50 taxa >>
Bistorta bistortoides
Image of Bistorta bistortoides
Persicaria acuminata
Image of Persicaria acuminata
Persicaria alpina
Image of Persicaria alpina
Persicaria amphibia
Image of Persicaria amphibia
Persicaria amplexicaulis
Image of Persicaria amplexicaulis
Persicaria arifolia
Image of Persicaria arifolia
Persicaria attenuata
Images
not available
Persicaria bicornis
Image of Persicaria bicornis
Persicaria bistorta
Image of Persicaria bistorta
Persicaria bungeana
Image of Persicaria bungeana
Persicaria capitata
Image of Persicaria capitata
Persicaria careyi
Image of Persicaria careyi
Persicaria chinensis
Image of Persicaria chinensis
Persicaria decipiens
Image of Persicaria decipiens
Persicaria densiflora
Image of Persicaria densiflora
Persicaria extremiorientalis
Image of Persicaria extremiorientalis
Persicaria filiformis
Image of Persicaria filiformis
Persicaria fluitans
Image of Persicaria fluitans
Persicaria franciscana
Images
not available
Persicaria glabra
Image of Persicaria glabra
Persicaria hartwrightii
Image of Persicaria hartwrightii
Persicaria hirsuta
Image of Persicaria hirsuta
Persicaria hydropiper
Image of Persicaria hydropiper
Persicaria hydropiperoides
Image of Persicaria hydropiperoides
Persicaria incana
Image of Persicaria incana
Persicaria lapathifolia
Image of Persicaria lapathifolia
Persicaria laxmannii
Image of Persicaria laxmannii
Persicaria longiseta
Image of Persicaria longiseta
Persicaria maculata
Image of Persicaria maculata
Persicaria maculosa
Image of Persicaria maculosa
Persicaria meisneriana
Image of Persicaria meisneriana
Persicaria minor
Image of Persicaria minor
Persicaria mitis
Image of Persicaria mitis
Persicaria neofiliforme
Images
not available
Persicaria neofiliformis
Images
not available
Persicaria nepalensis
Image of Persicaria nepalensis
Persicaria nodosa
Image of Persicaria nodosa
Persicaria odorata
Image of Persicaria odorata
Persicaria oregana
Image of Persicaria oregana
Persicaria orientalis
Image of Persicaria orientalis
Persicaria pensylvanica
Image of Persicaria pensylvanica
Persicaria perfoliata
Image of Persicaria perfoliata
Persicaria portoricensis
Images
not available
Persicaria posumbu
Image of Persicaria posumbu
Persicaria pratincola
Image of Persicaria pratincola
Persicaria prostrata
Images
not available
Persicaria punctata
Image of Persicaria punctata
Persicaria puritanorum
Image of Persicaria puritanorum
Persicaria purpurata
Images
not available
Persicaria rigidula
Image of Persicaria rigidula
The National Science Foundation
Developments of SEINet, Symbiota, and associated specimen databases have been supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)