Cardamine pensylvanica Muhlenberg ex Willdenow. Common name: Quaker Bittercress. Phenology: Mar-Jun. Habitat: Various wet habitats, especially swampy depressions, streambanks, small woodland seeps. Distribution: 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, 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. Basionym: Cardamine pensylvanica Muhl. ex Willd. 1800 [1801]
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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© Erik Danielson source | Original Image ⭷
© Erik Danielson source | Original Image ⭷
© Erik Danielson source | Original Image ⭷
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Horticultural Information
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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