Cardamine concatenata (Cutleaf Toothwort)
|Also known as:|
|Habitat:||part shade; rich moist woods, stream banks|
|Bloom season:||April - May|
|Plant height:||8 to 16 inches|
|Wetland Indicator Status:||GP: FACU MW: FACU NCNE: FACU|
|MN county distribution (click map to enlarge):|
|National distribution (click map to enlarge):|
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A single raceme of stalked flowers at the top of the plant, the flower stalks ascending to spreading to drooping, the flowers often nodding. Flowers are ½ to ¾ inch across when fully open, have 4 white to pale pinkish petals each 1 to 2 cm long, and 6 yellow stamens. The 4 sepals at the base of the flower are much shorter than the petals, green to purplish and paler around the edges. Sepals and flower stalks are hairless.
Leaves and stem:
Leaves are basal, with flowering stems also having 2 or 3 stem leaves arranged oppositely (when 2) or whorled (3), though not all plants produce flowering stems. All leaves are similar, palmately compound with 3 leaflets, the leaflets mostly oblong-ellipitc in outline, to 3 inches (2.5 to 6 cm) long, usually with several large teeth or narrow lobes along the edges and commonly with larger lobes near the base so may appear to be 5 or more leaflets. Compound leaves are stalked, leaflets are stalkless. Leaves and stems are hairless though the upper stem may have sparse hairs.
Cutleaf Toothwort, known as Dentaria laciniata in some references, is one of our early spring woodland bloomers, found in moist deciduous woods in about half the state. Its leaves are pretty distinctive so is not likely to be confused with other species.
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- Cutleaf Toothwort plant
- Cutleaf Toothwort plants
- leaves sometimes have few teeth/lobes
- not all plants produce flowering stems
Photos by K. Chayka taken at Eloise Butler Wildflower Garden, Minneapolis. Photos by Peter M. Dziuk taken at Eloise Butler and in Anoka County.
Have you seen this plant in Minnesota, or have any other comments about it?