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Polygonaceae
Persicaria

not marked as a favorite taxon Persicaria virginiana (Linnaeus) Gaertner. Common name: Jumpseed, Virginia Knotweed. Phenology: Jun-Oct. Habitat: Floodplains, other moist forests. Distribution: NH, QC, MN, and NE, south to n. peninsular FL and TX; disjunct in c. Mexico (PUE, VER).

Glossary (beta!)

Section: Tovara.

Origin/Endemic status: Native

Taxonomy Comments: Section Tovara consists of 3-5 species of e. North America and e. Asia (Mun & Park 1995); if the section is recognized as a genus (as it often has been), the correct name for this species is Antenoron virginianum. Variation in North America, previously sometimes recognized as varieties (see synonymy) is under study by M. Pyne.

Synonymy ⓘ: = Ar, Can, Fl4, FNA5, Mex, Mi, Mo3, NE, NY, Pa, Tn, Va; = Antenoron virginianum (L.) Roberty & Vautier — Il, K4, Horton (1972); = Polygonum virginianum L. — C, GrPl, GW2, NcTx, Tx, W, WH3, Mitchell & Dean (1978); = Tovara virginiana (L.) Raf. — RAB, S, S13, Tat, WV; < Persicaria virginiana (L.) Gaertn.; > Polygonum virginianum L. var. glaberrimum (Fernald) Steyerm. — G; > Polygonum virginianum L. var. virginianum — G; > Tovara virginiana (L.) Raf. var. glaberrima Fernald — F; > Tovara virginiana (L.) Raf. var. virginiana — F. Basionym: Polygonum virginianum L. 1753

Links to other floras: = Persicaria virginiana - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FAC
  • Midwest: FAC
  • Northcentral & Northeast: FAC

Heliophily ⓘ: 4

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image #1 of Persicaria virginiana© Keith Bradley | Original Image ⭷
image #2 of Persicaria virginiana© Bruce A. Sorrie | Original Image ⭷
image #3 of Persicaria virginiana© Steven Lamonde, some rights reserved (CC BY), uploaded by Steven Lamonde source CC-BY | Original Image ⭷
image #4 of Persicaria virginianano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #5 of Persicaria virginianano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #6 of Persicaria virginiana© Alaina Krakowiak, some rights reserved (CC BY-NC), uploaded by Alaina Krakowiak source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #9 of Persicaria virginiana© Jennifer Ogle, some rights reserved (CC BY-NC), uploaded by Jennifer Ogle source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #12 of Persicaria virginiana© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #13 of Persicaria virginiana© Bruce A. Sorrie | Original Image ⭷
image #14 of Persicaria virginiana© Jeffrey S. Pippen | Original Image ⭷
image #16 of Persicaria virginiana© Jeffrey S. Pippen | Original Image ⭷
image #17 of Persicaria virginiana© Jeffrey S. Pippen | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect perennial of floodplains and moist forests.

Stems: Stems simple or branched, smooth.

Leaves: Leaves alternate, petiolate and with a short-fringed, membranous sheath (ocrea) where petiole meets stem; oval to lance-shaped with rounded base; 2 1/2-6 in. long; usually hairy on both surfaces.

Inforescence:

Flowers: Flowers widely spaced in a slender, terminal spike (to 14 in. long); white or greenish-white; about 1/4 in. wide when open but often closed and curving downward from the spike stalk; consisting of 4 pointed tepals and 4 stamens.

Fruits:

Comments:

Height: 1 1/2-4 ft.

plant sale text:

bloom table text:

description: Erect perennial of floodplains and moist forests.

stems: Stems simple or branched, smooth.

leaves: Leaves alternate, petiolate and with a short-fringed, membranous sheath (ocrea) where petiole meets stem; oval to lance-shaped with rounded base; 2 1/2-6 in. long; usually hairy on both surfaces.

inflorescence:

flowers: Flowers widely spaced in a slender, terminal spike (to 14 in. long); white or greenish-white; about 1/4 in. wide when open but often closed and curving downward from the spike stalk; consisting of 4 pointed tepals and 4 stamens.

fruits:

comments:

cultural notes:

germination code:

native range: eastern North America



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