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Cardamine pensylvanica Muhlenberg ex Willdenow. Quaker Bittercress. Phen: Mar-Jun. Hab: Various wet habitats, especially swampy depressions, streambanks, small woodland seeps. Dist: NL (Newfoundland), NL (Labrador), NT, and AK south to FL, TX, and CA.

Origin/Endemic status: Native

Synonymy : = Ar, C, Fl4, FNA7, G, GrPl, GW2, Il, K1, K3, K4, Mi, NcTx, NE, NY, Pa, RAB, S, Tat, Tn, Va, W, WH3, Al-Shehbaz (1988a), Rollins (1993); = Cardamine pennsylvanica Muhl. ex Willd. – S13, orthographic variant; > Cardamine pensylvanica Muhl. ex Willd. var. brittoniana Farw. – F; > Cardamine pensylvanica Muhl. ex Willd. var. pensylvanica – F

Links to other floras: = Cardamine pensylvanica - FNA7

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Wetland Indicator Status:

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

Heliophily : 6

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Erik Erbes, some rights reserved (CC BY), uploaded by Erik Erbes source CC-BY | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Martine Lapointe, some rights reserved (CC BY), uploaded by Martine Lapointe source CC-BY | Original Image ⭷
image of plant© Bonnie Semmling, some rights reserved (CC BY), uploaded by Bonnie Semmling source CC-BY | 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 ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Bruce Sorrie | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect, early blooming annual/biennial found in various wet habitats, especially swampy depressions, stream banks and small woodland seeps.

Stems: Stems may be branched from the base; smooth but hairy near the base.

Leaves: Leaves alternate (a few basal leaves), petiolate, 1½-4 in. long and pinnately divided into 3-13 oval to lance-shaped leaflets, each with 2-3 rounded teeth or lobes.

Inforescence:

Flowers: Flowers on spreading-ascending stalks in a short terminal raceme, white, 1/4 in. or less wide, consisting of 4 tiny oval petals, 4 light green sepals, several stamens and a stout pistil.

Fruits: Fruit a linear, green pod; pods ripen on lower flower stalks while upper flowers are still blooming.

Comments:

Height: 6-22 in.

plant sale text:

bloom table text:

description: Erect, early blooming annual/biennial found in various wet habitats, especially swampy depressions, stream banks and small woodland seeps.

stems: Stems may be branched from the base; smooth but hairy near the base.

leaves: Leaves alternate (a few basal leaves), petiolate, 1½-4 in. long and pinnately divided into 3-13 oval to lance-shaped leaflets, each with 2-3 rounded teeth or lobes.

inflorescence:

flowers: Flowers on spreading-ascending stalks in a short terminal raceme, white, 1/4 in. or less wide, consisting of 4 tiny oval petals, 4 light green sepals, several stamens and a stout pistil.

fruits: Fruit a linear, green pod; pods ripen on lower flower stalks while upper flowers are still blooming.

comments:

cultural notes:

germination code:

native range:

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