Camelina barbareifolia de Candolle, Syst. Nat. 2: 517. 1821; Nasturtium barbareifolium (de Candolle) B. Fedtschenko (1912), not Baker (1877), nor Franchet (1888); Rorippa hispida (Desvaux) Britton var. barbareifolia (de Candolle) Hultén; Tetrapoma barbareifolium (de Candolle) Turczaninow ex Fischer & C. A. Meyer; T. kruhsianum Fischer & C. A. Meyer; T. pyriforme Seemann.

Herbs annual or biennial, (20-)30-95(-110) cm tall, densely villous or hirsute at least near base, sparsely so or subglabrous above. Stems erect, simple at base, branched above. Basal leaves rosulate, soon withered; petiole 1-7 cm; leaf blade lyrate-pinnatifid or subruncinate. Lower and middle cauline leaves sessile, lanceolate, oblanceolate, or oblong, 2.5-10(-15) × 0.4-2.5(-4.5) cm, villous or hirsute, lyrate-pinnatifid, with 2-7 lateral lobes on each side of midvein, base auriculate or amplexicaul, margin laciniate, irregularly serrate, repand, or entire, apex acute; uppermost leaves undivided, entire or obscurely denticulate. Racemes ebracteate. Fruiting pedicels ascending, (2-)4-12(-14) mm, straight, slender, glabrous or hirsute. Sepals oblong, spreading, 1.6-2.8 × 0.6-1.2 mm. Petals yellow, obovate or spatulate, (1.5-)1.8-3(-3.5) × 0.7-1.8(-2) mm, apex obtuse. Filaments 1.5-2.5 mm; anthers narrowly oblong, 0.5-0.6 mm. Ovules 60-85 per ovary. Fruit globose or subglobose, (2.5-)3.5-6(-6.5) × (2.3-)2.8-4(-4.3) mm; valves (3 or)4(-6), leathery, glabrous, not veined; gynophore 0.3-0.8(-1) mm; style stout, 0.5-1(-1.4) mm. Seeds dark reddish brown, oblong-ovate, 0.5-0.7 × 0.3-0.4 mm, reticulate. Fl. & fr. Mar-Aug. 2n = 16.

Forest borders, roadsides, moist areas, river banks; 100-2100 m. Heilongjiang, Jilin, Nei Mongol [Mongolia, Russia; North America (Alaska, N Canada)].