Cardamine bulbosa (schreb. ex Muhl.) Britton, Sterns & Poggenb.

Perennials; glabrous or sparsely pubescent distally. Rhizomes (tuberous at stem base, sometimes also at intervals) subglobose, lobed, 4-15 mm diam. (fleshy). Stems erect, unbranched, (1-)2-6 dm, glabrous or sparsely pubescent on distal 1/2 (trichomes 0.02-0.1 mm). Rhizomal leaves simple, (2-)4-13(-16) cm; petiole (1.5-)2.5-10(-13) cm; blade usually reniform to cordate or ovate, rarely oblong, (1-)2-4(-6) cm, base obtuse to cordate, margins usually repand or entire, rarely shallowly dentate. Cauline leaves (2-)4-10 (-14), simple, petiolate or sessile; (middle ones) shortly petiolate or (distally) sessile, base not auriculate; blade ovate to oblong, or oblong-linear to lanceolate, 3-6(-9) cm × 10-30(-45) mm, margins entire, repand, or dentate (margins minutely pubescent). Racemes ebracteate. Fruiting pedicels ascending to divaricate, (10-)15-22 (-30) mm. Flowers: sepals oblong, 2.5-4.5 × 1.5-2 mm, lateral pair not saccate basally, (glabrous); petals usually white, rarely pale pink, obovate, (6-)7-12(-16) × 3-5 mm, (short-clawed, apex rounded); filaments: median pairs 4.5-7 mm, lateral pair 2-3.5 mm; anthers oblong, 1-1.5 mm. Fruits linear, 2-3.5(-4) cm × 1.4-1.7 mm; ovules 14-24 per ovary; style 2-4(-5) mm. Seeds dark orange to greenish yellow, oblong or globose, 1.7-2.1 × 1-1.4 mm. 2n = 16, 56, 64, 80, 96, 112.

It is a temperate plant. It grows near springs, low-lying woods and wet meadows. It grows in hardiness zones 4-8.

The tender young leaves near the base can be used in salads. The rootstocks can be grated and vinegar added to make horseradish.

Can be grown by seedlings.