Cardamine occidentalis

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Big western bittercress
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Cardamine
C. occidentalis
Binomial name
Cardamine occidentalis
(S.Wats. ex B.L.Rob.) Howell

Cardamine occidentalis is a species of Cardamine known by the common name big western bittercress. It is native to western North America from Alaska to northwestern California, where it grows in moist mountain habitats.


Cardamine occidentalis is a perennial herb growing from very small rhizomes. It produces a branching erect or leaning stem which may root at nodes. There is a basal array of leaves, each on a petiole and divided into many leaflets. There are also several leaves along the stem. The flower has white petals each a few millimeters long. The fruit is a silique 2 to 3 centimeters long.

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