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Enemion biternatum Rafinesque. Isopyrum, False Rue-anemone. Phen: (Jan-) Mar-Apr; May. Hab: Rich forests, either on natural levees with very nutrient rich sediments or on slopes with underlying mafic or calcareous rocks. Dist: Mainly west of the Appalachians, W. NY, s. ON and MN south to TN, ne. MS (Tishomingo County), and AR; disjunct east and south of the Blue Ridge in VA, NC, SC, the FL Panhandle, and s. AL. Buckingham, Singhurst, & Paez (2020) discussed its distribution in Texas.

Origin/Endemic status: Native

Synonymy : = Ar, Fl2, FNA3, Il, K1, K3, K4, Mi, NY, Tn, Va, WH3; = Isopyrum biternatum (Raf.) Torr. & Gray – C, F, G, GrPl, RAB, S, S13, Tx; = n/a – Pa

Links to other floras: = Enemion biternatum - FNA3

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Wetland Indicator Status:

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

Heliophily : 2

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image of plant© Scott Ward | Original Image ⭷
image of plant© Floyd A. Griffith | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Alan Cressler: Enemion biternatum, Stevens Creek Heritage Preserve, McCormick County, South Carolina 3 by Alan Cressler source | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Delicate, erect perennial found often in dense patches in rich forests, either on natural levees with very nutrient-rich sediments or on slopes with underlying mafic rocks.

Stems: Stems slender, sparingly branched, reddish-tinged, smooth.

Leaves: Leaves basal and alternate on the stem, petiolate, divided into 3 leaflets up to 1 in. long, these again divided into 3 bluntly rounded lobes; the terminal leaflet is longer-stalked than the 2 lateral leaflets.

Inforescence:

Flowers: Flowers solitary, or in groups of 2-3, on thin stalks from leaf axils; white; consisting of 5 petal-like sepals, several slender stamens with yellow anthers and a few green pistils in the center.

Fruits: Fruit a small cluster of beaked follicles.

Comments:

Height: 8-16 in.

plant sale text:

bloom table text:

description: Delicate, erect perennial found often in dense patches in rich forests, either on natural levees with very nutrient-rich sediments or on slopes with underlying mafic rocks.

stems: Stems slender, sparingly branched, reddish-tinged, smooth.

leaves: Leaves basal and alternate on the stem, petiolate, divided into 3 leaflets up to 1 in. long, these again divided into 3 bluntly rounded lobes; the terminal leaflet is longer-stalked than the 2 lateral leaflets.

inflorescence:

flowers: Flowers solitary, or in groups of 2-3, on thin stalks from leaf axils; white; consisting of 5 petal-like sepals, several slender stamens with yellow anthers and a few green pistils in the center.

fruits: Fruit a small cluster of beaked follicles.

comments:

cultural notes:

germination code:

native range: eastern United States