Cardaria
Perennial rhizomatous deeply taprooted herbs. Stems erect, leafy. Hairs simple. Lvs simple, entire or distantly toothed. Infl. an ebracteate corymbose panicle. Sepals erecto-patent, not saccate. Petals white. Stamens 6, without appendages. Lateral nectaries 4, semi-lunate at bases of single stamens; median nectaries 2, triangular between bases of paired stamens. Style distinct; stigma capitate. Silicle broadly ovate to cordate, angustiseptate, indehiscent; valves keeled. Seeds (1)-2, ovoid, not winged.
5 spp., Europe to S.W. Asia. Naturalised sp. 1.