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Persicaria densiflora (Meisner) Moldenke. Section: Persicaria. Common name: Dense-flower Smartweed. Phenology: Jun-Oct. Habitat: Swamp forests. Distribution: The Persicaria glabra complex is widespread in the Neotropics, in North America north to s. NJ, VA, KY, MO, and TX. The distribution of Persicaria densiflora is unclear.

Origin/Endemic status: Native

Taxonomy Comments: Persicaria densiflora, the American component of the pantropical Persicaria glabra complex, seems to warrant recognition.

Synonymy ⓘ: = Tx; = Persicaria portoricensis (Bertero ex Small) Small — S, S13, illegitimate name; = Polygonum densiflorum Meisn. — Bah, C, F, G, GW2, NcTx, RAB, Tat, WH3, Horton (1972); < Persicaria glabra (Willd.) M.Gómez — Ar, FNA5, Il, K4, Mex, Mo3, Pa, Tn, Va. Basionym: Polygonum densiflorum Meisn. 1855

Links to other floras: < Persicaria glabra - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (name change)
  • Eastern Mountains and Piedmont: OBL (name change)
  • Great Plains: OBL (name change)
  • Midwest: OBL (name change)

Heliophily ⓘ: 6

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷

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Horticultural Information

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