翼柄碎米荠 yi bing sui mi ji

Alliaria auriculata Komarov, Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 437. 1901, not Cardamine auriculata S. Watson (1882); Arabis cebennensis de Candolle var. coreana H. Léveillé.

Herbs perennial, 12-75 cm tall. Rhizomes short, stout. Stems erect, simple at base, branched above, finely striate, pubescent or glabrescent. Basal leaves rosulate; petiole 2-5 cm, winged at base, glabrous or pilose; leaf blade broadly cordate or suborbicular, 1.5-4 × 1.5-3.5 cm, margin coarsely dentate, the teeth submucronate. Cauline leaves 3-8, simple; petiole winged, (0.5-)1-4 cm, auriculate-amplexicaul at base; auricles oblong or lanceolate, 2-10 × 0.5-4 mm, entire; leaf blade cordate or broadly ovate, (2-)3-7.5(-9) × (1.2-)2.5-6 cm, pilose at least along veins and margins, rarely glabrous, base cordate, margin coarsely and irregularly toothed, sometimes incised on distal leaves, apex acuminate or obtuse. Racemes ebracteate. Fruiting pedicels divaricate or ascending, 1-2.5 cm, slender, pilose or glabrous. Sepals oblong, 2.5-3 × 1.2-1.6 mm, glabrous or pilose, base not saccate. Petals white, broadly obovate, 3-4 × ca. 1.5 mm, apex rounded. Filaments 2-3 mm; anthers oblong, ca. 1.5 mm. Ovules 6-12 per ovary. Fruit linear, 2-4 cm × ca. 1 mm; gynophore stout, 0.2-0.7 mm; valves glabrous or sparsely pilose, not torulose, acuminate; style 2-3 mm, slender. Seeds brown, oblong, 1.5-2 × 1-2 mm. Fr. Jun.

Streamsides, moist areas; 700-1000 m. Heilongjiang, Jilin, Liaoning [Korea].