(Cardaria draba)
Roots: Extensive, creeping, branched above.
Stems: Up to 2 feet tall, erect, stout.
Leaves: Oblong, alternate, margins wavy and shallowly toothed.
Seed: Rough, reddish-brown, in heart shaped bladder-like capsules, abundant.
Flowers: White, 4 petals, margins toothed to entire.
Origin: Eurasia
Poisoning: Mucous membrane irritant.