Home
Herbs perennial with rootstocks. Trichomes absent. Stems erect, branched above. Basal leaves long petiolate, rosulate, simple, entire or crenate. Cauline leaves petiolate or uppermost sessile, crenate, laciniate, pinnatifid, or pinnatiscent. Racemes many flowered, ebracteate, often in corymbose panicles, elongated considerably in fruit. Fruiting pedicels slender, ascending, divaricate, or slightly reflexed. Sepals ovate or oblong, spreading or ascending, glabrous, base of lateral pair not saccate. Petals white, ascending, longer than sepals; blade obovate, spatulate, oblong, or oblanceolate, apex obtuse; claw short. Stamens 6, somewhat spreading, slightly tetradynamous; filaments slightly dilated at base; anthers ovate, oblong, or linear, obtuse at apex. Nectar glands confluent and subtending bases of all stamens; median glands present. Ovules 8-20 per ovary. Fruit dehiscent silicles, oblong, ovate, elliptic, or orbicular, angustiseptate, sessile; valves veinless, glabrous, smooth; replum rounded; septum perforated or reduced to a rim; style obsolete or short and to 2 mm; stigma capitate, entire or 2-lobed. Seeds biseriate, wingless, oblong, plump; seed coat punctate, not mucilaginous when wetted; cotyledons accumbent.
Glabrous perennial herbs; roots fusiform. Stems erect, leafy. Lvs simple, crenate, serrate, or pinnatifid, usually variable on one plant. Infl. a terminal ebracteate panicle; lateral axillary racemes often present. Sepals erecto-patent, not saccate. Petals white. Stamens 6, without appendages. Lateral nectaries 4, beside bases of single stamens; median nectaries 2, between bases of paired stamens. Style short; stigma large, capitate or shallowly 2-lobed. Silicle ellipsoid or spherical, septate, dehiscent; valves convex with indistinct network of veins. Seeds ovoid, compressed, not winged, in 2 rows per locule.
