Cardamine pratensis L.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Brassicaceae
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Scientific Name
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Description
Species Description - Erect perennial 2–5 dm; basal lvs long-petioled, with 3–8 broadly oval to rotund or reniform lfls 5–20 mm, the terminal the largest; lowest cauline lvs sometimes like the basal, the others all shorter, on shorter petioles, the mostly 7–17 lfls oval to oblong or linear; fls crowded, the pet obovate, 8–15 mm; mature pedicels ascending, 8–15 mm; frs suberect, 2.5–4 cm, the beak 1–2 mm; 2n=16–96. Circumboreal, with 2 vars. in our range. Var. pratensis, a native of Eurasia, is intr. in moist soil of roadsides, lawns, and meadows from Nf. to N.Y. and N.J.; it has pink fls, the terminal lfl of the basal lvs is angularly dentate, and the lateral lfls of the cauline lvs tend to be sessile; 2n=<56. Apr.–July. Var. palustris Wimm. & Graebn. is native in bogs and swamps throughout most of Can., extending s. to N.J., O., n. Ind., and Minn.; it has white fls, the terminal lfl of the basal lvs is entire or nearly so, and the lateral lfls of the cauline lvs are commonly contracted to a short petiole; 2n=>56. May, June. (C. palustris)
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Common Names
cuckoo-flower