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FNA | Family List | FNA Vol. 7 | Brassicaceae | Cardamine

9. Cardamine concatenata (Michaux) O. Schwarz, Repert. Spec. Nov. Regni Veg. 46: 188. 1939.

Dentaria concatenata Michaux, Fl. Bor.-Amer. 2: 30. 1803; Cardamine laciniata (Muhlenberg ex Willdenow) Alph. Wood var. integra O. E. Schulz; C. laciniata var. lasiocarpa O. E. Schulz; D. laciniata Muhlenberg ex Willdenow; D. laciniata var. alterna Farwell; D. laciniata var. coalescens Fernald; D. laciniata var. integra (O. E. Schulz) Fernald; D. laciniata var. latifolia Farwell; D. laciniata var. opposita Farwell

Perennials; usually sparsely pubescent, sometimes glabrous. Rhizomes (tuberiform, fragile), moniliform, segments fusiform, 2-10(-20) mm diam. (fleshy). Stems erect, unbranched, (1-)2-4(-5.5) dm, glabrous or pubescent distally. Rhizomal leaves 3-foliolate, (7-) 10-20(-30) cm, leaflets sessile; petiole (4-)7-18(-25) cm; lateral leaflets similar to terminal, blade sometimes smaller; terminal leaflet blade oblong, lanceolate, oblanceolate, or linear, 2.5-6 cm, base cuneate, margins coarsely dentate to incised, laciniate, or 3-lobed (lobes usually toothed to incised, rarely entire, surfaces puberulent or not, trichomes 0.2-0.3 mm). Cauline leaves (2 or) 3, 3-foliolate (usually whorled or opposite, rarely alternate, similar in morphology to rhizomal leaves), petiolate, leaflets petiolulate or subsessile; petiole (1-)1.5-6(-7.5) cm, base not auriculate; lateral leaflets sessile, blade similar to terminal, sometimes smaller; terminal leaflet subsessile or petiolulate (to 3 cm), blade lanceolate, linear, or oblanceolate, (3-)4-10(-12) cm × (3-)5-20 (-25) mm, margins usually coarsely dentate to incised, rarely subentire (margins minutely puberulent). Racemes ebracteate. Fruiting pedicels ascending to divaricate, (6-) 10-27(-33) mm. Flowers: sepals oblong, (4-)5-8 × 2-4 mm, lateral pair slightly saccate basally; petals white to pale pink, oblanceolate, (8-)10-20 × (3-)4-7(-9) mm, (short-clawed, apex rounded); filaments: median pairs 8-12 mm, lateral pair 6-8 mm; anthers oblong-linear, 1.5-2.5 mm. Fruits linear-lanceolate, (2-)2.5-3.8(-4.8) cm × 1.5-3 mm; (valves glabrous or sparsely pubescent); ovules 10-14 per ovary; style (2-)5-9(-12) mm. Seeds brown, oblong, 1.6-3 × 1.8-2 mm. 2n = 128-256.

Flowering Feb-May. Wooded bottoms and bluffs, rich woods, limestone cliffs and outcrops, rocky banks, mesic forests, moist areas with leaf litter, floodplain woods; 0-1000 m; Ont., Que.; Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.


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