Large, stout, perennating herb, 60-180 cm tall, erect, branched, with gene-rally glabrous stem. Basal leaves largest, cordate or somewhat reniform, blade 20-40 cm in diam., sinuate dentate, generally of thinner texture, apex rounded, spar¬sely hairy; petiole 15-30 cm long; upper leaves few, smaller; uppermost, if present, linear, about 1 cm long. Racemes lax on a branched, large inflorescence, ebracteate. Flowers 7-8 mm across, white; pedicel 5-10 mm long, increasing up to 20 mm (rarely up to 40 mm) in fruit, ascending. Sepals 2.5-4 mm long, 1-1.2 mm broad, subequal. Petals 5-10 mm long, 3-5 mm broad, obovate-oblong, cune¬ate at the base, white, apex rounded. Stamens c. 3:5 mm long; filaments of the inner stamens generally toothed; anthers c. 1 mm long. Gynophore (stipe) up to 1.5 mm long in fruit. Siliculae biarticulated; lower part about 1.5 (-2) mm long, hardly 1 mm broad, stalk-like, sterile; upper part oval-suborbicular, (3-) 4-5 (-5.5) mm in diam., 1 seeded; valves reticulately veined, thick; seed + sub-globose, 3-4 mm in diam., pale brown.

Type: Caucasus, Steven (LE).

It is said to be endemic to Caucasus or Trans-Caspian region.