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*Rumex obtusifolius Linnaeus. Section: Rumex. Bitter Dock. Phen: Apr-Jun; Jun-Aug. Hab: Pastures, barnyards, disturbed areas. Dist: Native of Europe.

Origin/Endemic status: Europe

Synonymy : = Ar, C, F, FNA5, G, GrPl, GW2, Il, K1, K3, K4, Mi, Pa, RAB, S, S13, Tat, Tn, Va, W, WH3, WV; > Rumex obtusifolius L. ssp. obtusifolius – NE, NY

Links to other floras: = Rumex obtusifolius - FNA5

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Wetland Indicator Status:

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

Heliophily : 7

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Steven Baskauf | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷
image of plant© Steven Baskauf | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect perennial from a taproot, found in pastures, barnyards and other disturbed areas. Native of Europe.

Stems: Stems single, slightly ribbed, unbranched (except in inflorescence), sometimes reddish, smooth.

Leaves: Leaves mostly basal, petiolate, oblong-oval, often with a heart-shaped base, to 1 ft. long, undulate-margined, the central vein often red-tinted; any stem leaves lance-shaped and shorter.

Inforescence:

Flowers: Flowers in large (to 1 ft. long) terminal cluster, the ascending branches raceme-like with well-spaced whorls of flowers that droop on short stalks. Flowers greenish-red, about 1/4 in. long, consisting of 6 tepals (3 inner, 3 outer); male flowers have 6 stamens and dull yellow inner tepals, while female flowers have a pistil and usually reddish inner tepals.

Fruits: Fruit a tiny achene enclosed in 3 enlarged, triangular-oval tepals with 2-4 teeth on their margins.

Comments:

Height: 2-3 1/2 ft.

plant sale text:

bloom table text:

description: Erect perennial from a taproot, found in pastures, barnyards and other disturbed areas. Native of Europe.

stems: Stems single, slightly ribbed, unbranched (except in inflorescence), sometimes reddish, smooth.

leaves: Leaves mostly basal, petiolate, oblong-oval, often with a heart-shaped base, to 1 ft. long, undulate-margined, the central vein often red-tinted; any stem leaves lance-shaped and shorter.

inflorescence:

flowers: Flowers in large (to 1 ft. long) terminal cluster, the ascending branches raceme-like with well-spaced whorls of flowers that droop on short stalks. Flowers greenish-red, about 1/4 in. long, consisting of 6 tepals (3 inner, 3 outer); male flowers have 6 stamens and dull yellow inner tepals, while female flowers have a pistil and usually reddish inner tepals.

fruits: Fruit a tiny achene enclosed in 3 enlarged, triangular-oval tepals with 2-4 teeth on their margins.

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cultural notes:

germination code:

native range: