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Polygonaceae
Persicaria

not marked as a favorite taxon Persicaria punctata (Elliott) Small. Common name: Dotted Smartweed. Phenology: Jul-Nov. Habitat: Swamp forests, bottomlands, marshes. Distribution: NS, ON, and BC south to FL, TX, and CA, south into the New World tropics.

Glossary (beta!)

Section: Persicaria.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, Can, Fl4, FNA5, Il, K4, Mi, Mo3, NE, NY, Pa, Tn, Tx, Va; = Polygonum punctatum Elliott — Bah, GW2, NcTx, RAB, Tat, W, WH3, WV; < Persicaria punctata (Elliott) Small — Mex; > Persicaria punctata (Elliott) Small var. leptostachya (Meisn.) Small — S, S13; > Persicaria punctata (Elliott) Small var. punctata — S, S13; < Polygonum punctatum Elliott — Horton (1972); > Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett — C, G, Mitchell & Dean (1978); > Polygonum punctatum Elliott var. leptostachyum (Meisn.) Small — F; > Polygonum punctatum Elliott var. parvum Vict. & Rousseau — F; > Polygonum punctatum Elliott var. punctatum — C, F, G, Mitchell & Dean (1978); Polygonum punctatum Elliott. Basionym: Polygonum punctatum Elliott 1821

Links to other floras: = Persicaria punctata - FNA5

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Wetland Indicator Status:

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

Heliophily ⓘ: 6

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image #1 of Persicaria punctata© Gary P. Fleming | Original Image ⭷
image #2 of Persicaria punctatano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #3 of Persicaria punctatano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #4 of Persicaria punctatano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #5 of Persicaria punctatano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #6 of Persicaria punctatano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #7 of Persicaria punctatano rights reserved, uploaded by Daniel Atha source CC0 | Original Image ⭷
image #8 of Persicaria punctata© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect-ascending annual/short-lived perennial of swamp forests, bottomlands and marshes.

Stems: Stems branched, smooth, gland-dotted.

Leaves: Leaves alternate, petiolate and with a fringed, brown, membranous sheath (ocrea) where petiole joins stem; lance-shaped; 1 1/2-6 in. long; hairy on margins; lacking a red blotch; gland-dotted.

Inforescence:

Flowers: Flowers irregularly spaced on erect-ascending spikes (2-6 in. tall), white to greenish-white, less than 1/4 in. long, usually closed and consisting of 5 tepals that are gland-dotted.

Fruits:

Comments:

Height: 6-42 in.

plant sale text:

bloom table text:

description: Erect-ascending annual/short-lived perennial of swamp forests, bottomlands and marshes.

stems: Stems branched, smooth, gland-dotted.

leaves: Leaves alternate, petiolate and with a fringed, brown, membranous sheath (ocrea) where petiole joins stem; lance-shaped; 1 1/2-6 in. long; hairy on margins; lacking a red blotch; gland-dotted.

inflorescence:

flowers: Flowers irregularly spaced on erect-ascending spikes (2-6 in. tall), white to greenish-white, less than 1/4 in. long, usually closed and consisting of 5 tepals that are gland-dotted.

fruits:

comments:

cultural notes:

germination code:

native range:



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