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Cardamine pratensis L.
CUCKOOFLOWER
Cardamine crassifolia Pourr; Cardamine dentata Schult; Cardamine dentata var palustris (Wimm & Grab) Khatri; Cardamine hayneana (Rchb) Fritsch; Cardamine matthioli auct, non Moretti; Cardamine nymanii Gand; Cardamine palustris (Wimmer & Grab) Peterm; Cardamine pratensis subsp paludosa (Knaf) Celak; Cardamine rivularis Schur; Cuckoo flower

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Cardamine pratensis
© Copyright Mel Harte 2010 · 3
Cardamine pratensis

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Cardamine pratensis
© Copyright Mel Harte 2010 · 3
Cardamine pratensis
Cardamine pratensis
© Copyright Mel Harte 2010 · 3
Cardamine pratensis

Cardamine pratensis
© Copyright Mel Harte 2010 · 3
Cardamine pratensis
Cardamine pratensis
© Copyright Mel Harte 2010 · 3
Cardamine pratensis

Cardamine pratensis
© Copyright Mel Harte 2010 · 3
Cardamine pratensis
Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis

Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis
Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis

Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis
Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis

Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis
Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis

Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis
Cardamine pratensis
© Copyright Malcolm Storey 2011-2118 · 3
Cardamine pratensis

Associates · map
FamilyScientific name @ source (records)
Albuginaceae  Albugo candida @ BPI (1)
Mycosphaerellaceae  Septoria cardamines @ BPI (1)
Peronosporaceae  Peronospora dentariae @ BPI (1)

Peronospora parasitica @ BPI (2)
Synchytriaceae  Synchytrium aureum @ BPI (1)
_  Torula adnata @ BPI (2)

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Following modified from Plants Database, United States Department of Agriculture
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Following modified from Flora of North America
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FNA Vol. 7 Page 466, 482 , 483 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Cardamine

35. Cardamine pratensis Linnaeus, Sp. Pl. 2: 656. 1753.

Dracamine pratensis (Linnaeus) Nieuwland

Perennials; usually glabrous, rarely sparsely pilose basally. Rhizomes cylindrical, (not fragile), relatively short, (not fleshy). Stems erect, unbranched, (0.8-)1.5-5.5(-8) dm. Rhizomal leaves simple or 5-9(-31)-foliolate, to 30 cm, (thin, veins raised), leaflets petiolulate or sessile; petiole (1-)2-7(-10) cm; lateral leaflets petiolulate or sessile, blade similar to terminal or smaller, orbicular, ovate, or obovate, margins crenate or repand; terminal leaflet (petiolule to 1.5 cm), blade orbicular or broadly obovate, 0.3-2 cm diam., base usually rounded, rarely subreniform or cuneate, margins repand, (apex rounded). Cauline leaves 2-12(-18), pinnatisect, petiolate, leaflets petiolulate or sessile, (2-17 cm including petiole, thin, veins raised); petiole base not auriculate; lobes or leaflets (4-7(-13) each side of rachis), petiolulate or sessile and decurrent, blade similar to terminal lobe or leaflet, margins usually entire, rarely dentate; terminal lobe or leaflet (petiolulate or sessile), blade linear, oblong, ovate, or lanceolate, 1-2.5(-3.5) cm × 5-8(-10) mm, (surfaces glabrous). Racemes ebracteate. Fruiting pedicels erect-ascending or subdivaricate, (5-)12-25(-30) mm. Flowers: sepals (erect or spreading), oblong or ovate, (2.5-)3-5(-6) × 1-2 mm, lateral pair saccate basally; petals usually purple or lilac, rarely white, obovate, (6-)8-15(-18) × 3-7.5(-10) mm, (clawed, apex rounded or emarginate); filaments: median pairs 5-10 mm, lateral pair 3-6 mm; anthers narrowly oblong, (0.8-)1.2-2 mm. Fruits linear, (1.6-)2.5-4.5(-5) cm × (1.2-)1.5-2.3 mm; ovules 20-30 per ovary; style (0.5-)1-2.2(-2.7) mm, (stout). Seeds light brown, oblong, 1.2-1.8(-2) × 1-1.4 mm. 2 n = 16.

Flowering May-Aug. Moist grounds, stream sides, limestone shores, sedge and grass meadows, marshy pond margins, mossy areas, wet hollows, boggy areas, turfy shores, damp creek banks, swamps, brooks and ditches, moist ravines, springy swales; 0-1000 m; B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que.; Conn., Ind., Maine, Mass., Mich., N.H., N.J., N.Y., Ohio, Pa., Vt.; Eurasia.

The taxonomy of Cardamine pratensis in North America requires further detailed study. Most, if not all, populations of this species were introduced from Europe. Some specimens resemble the European C. dentata Schultes (high polyploid, characterized by all leaves, including distalmost, pinnate with petiolate and sometimes deciduous leaflets) and these populations might be native.

Updated: 2020-10-28 09:58:57 gmt
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