Delaware Wildflowers • Guides

Cardamine — Bittercress, toothwort
Ten species can be found in Delaware.
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Leaves are palmately divided

Cardamine concatenata, Cutleaf Toothwort (Dentaria laciniata)
Native, Piedmont & coastal plain
Common in the Piedmont; uncommon on the coastal plain.

Cardamine angustata, Slender Toothwort (Dentaria heterophylla)
Rare native, Piedmont only

Cardamine diphylla, Pepper-root Bittercress (Dentaria diphylla)
Native, Piedmont only
There are two stem leaves (not at the base of the plant), each with three wide leaflets.

Leaves are pinnately divided

Cardamine hirsuta, Hairy Bittercress
Non-native, Piedmont & coastal plain

Cardamine impatiens, Touch-me-not Bittercress
Non-native, Piedmont & coastal plain

Cardamine parviflora var. arenicola, Small-flower Bittercress
Rare native, Piedmont & coastal plain

Cardamine pensylvanica, Pennsylvania Bittercress
Native, Piedmont & coastal plain

Leaves are undivided

Cardamine bulbosa, Bulbous Bitter-cress
Native, Piedmont & coastal plain
Common in the Piedmont; rare on the coastal plain.

Cardamine rotundifolia, Roundleaf Bittercress
Rare native, Piedmont only

Cardamine longii, Long's Bittercress
Rare native, coastal plain only



Sources: The Flora of Delaware, Herbaceous Plants of Maryland.


Copyright David G. Smith

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