Cardamine diphylla (Michx.) Alph.Wood

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Cardamine diphylla (broadleaf toothwort, crinkle root, crinkle-root, crinkleroot, pepper root, twin-leaved toothwort, twoleaf toothwort, toothwort) is a flowering plant in the family Brassicaceae. It is a spring flowering woodland plant that is native to eastern North America.

Description

Botanical illustration of Cardamine diphylla (1913)

A member of the mustard family, it is typified by a four petal flower which blooms in a cluster on a single stalk above a single pair of toothed stem leaves each divided into three broad leaflets. After flowering, narrow seedpods appear just below the flower cluster. It grows approximately 30 cm (12 in) tall.

Taxonomy

Cardamine diphylla was first described as Dentaria diphylla by the French botanist André Michaux in 1803. The American botanist Alphonso Wood placed Dentaria diphylla Michx. in genus Cardamine in 1870. The name Cardamine diphylla (Michx.) Alph.Wood is widely used today.

Cardamine diphylla is a member of the Cardamine concatenata alliance, a monophyletic group of eastern North American species that includes Cardamine angustata, Cardamine concatenata, Cardamine diphylla, Cardamine dissecta, Cardamine incisa, and Cardamine maxima. All members of the alliance were previously placed in genus Dentaria Tourn. ex L., which is now considered to be a synonym for Cardamine L.

Cardamine diphylla - Wikipedia

 

Cardamine diphylla (Broad-leaved Toothwort, Crinkleroot, Pepper root, Toothroot, Twin-leaved Toothwort, Two-leaf Toothwort) | North Carolina Extension Gardener Plant Toolbox (ncsu.edu)

 

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