42. Cardamine changbaiana Al-Shehbaz, Novon. 10: 323. 2000.
天池碎米荠 tian chi sui mi ji
Cardamine resedifolia Linnaeus var. morii Nakai.
Herbs perennial, 2-8 cm tall, scapose, glabrous throughout. Rhizomes slender, 0.4-0.7 mm in diam. Stems erect, leafless or rarely 1-leaved. Basal leaves rosulate, fleshy; petiole 0.3-3.5 cm; leaf blade simple or rarely 3-lobed, broadly ovate, subcordate, or oblong, 2-10 × 1.5-8 mm, base cordate or obtuse, margin entire or repand, apex rounded or obtuse. Cauline leaves absent, rarely 1 and petiolate, similar but narrower than basal leaves, petiole base not auriculate. Racemes terminal, 2-5(-7)-flowered, ebracteate. Fruiting pedicels erect to erect-ascending, 2-7 mm, straight. Sepals oblong, 1.3-1.7 × 0.6-0.8 mm. Petals white, obovate, 3-3.5 × 1.5-1.8 mm, base tapering into a claw 0.4-1 mm, apex rounded or subemarginate. Filaments 1.4-2 mm; anthers oblong, 0.5-0.8 mm. Ovules 8-12 per ovary. Fruit linear, 1-2 cm × 1.3-2 mm; gynophore 0.3-1 mm; valves smooth, glabrous; style 0.5-2 mm. Seeds brown, oblong to ovate-oblong, 1.2-1.5 × 0.8-1.1 mm, wingless and not margined. Fl. and fr. Jul-Aug.
Rocky slopes; 2400-2500 m. S Jilin (Changbai Shan) [Korea].