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Bransford, W.D. and Dolphia
Cardamine diphylla (Michx.) Wood
Crinkleroot, Two-leaved toothwort, Two-leaf toothwort
Synonyms: Dentaria diphylla
USDA Symbol: cadi10
USDA Native Status: Native to U.S.
An upright, 8-16 in. perennial with paired leaves, each dissected so deeply as to appear compound. The leaves are palmately cut into 3-5 sections. The basal leaves, when present, arise from a rhizome. A loose cluster of white or light pink, four-petaled blossoms occur at the end of a stem rising above the leaves.
This plant grows in woods but does not tolerate the deep shade cast by evergreen trees.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: White , Pink
Bloom Time: Mar , Apr , May , Jun
AL , AR , CT , GA , IL , IN , KY , MA , MD , ME , MI , MO , MS , NC , NH , NJ , NY , OH , PA , SC , TN , VA , VT , WI , WV Canada: NB
, PE Native Distribution:
N.S. to s. Ont. & WI, s. to SC & MS Native Habitat:
Rich, wooded slopes; alluvial woods USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement:
Part Shade , Shade Soil Moisture:
Moist Soil pH:
Acidic (pH<6.8) Soil Description:
Humus-rich, acid soil. Conditions Comments:
A light, leafy wintercover is desireable. This plant does not tolerate the deep shade cast by evergreen
West Virginia White is a native
butterfly species often mistaken for Cabbage White, an introduced species. Lays its eggs one by one on this plant and Dentaria laciniata, another toothwort. Attracts:
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
Can be easily multiplied by rootstock division when the plant is dormant. Be careful, as rhizomes are easily broken. Seeds should be sown on a moist, shaded seed bed immediately after collection. Expect the seedlings to flower in 3-4 years. Seed Collection:
A long, slender pod
splits open 4-5 weeks after the bloom period. To catch the seeds, collect the pods when the seeds have turned dark brown and allow the pods to dry and split in a paper bag. Seeds lose viability quickly in storage. Seed Treatment:
Not Available Commercially Avail:
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Record Modified: 2012-10-03
Research By: TWC Staff