Stems (2-)3-6.5(-8) dm. Cauline leaves petiolate (pet-iole (0.05-)0.1-0.2(-0.3) cm proximally, obsolete distally); blade usually linear-oblanceolate to oblanceolate, rarely linear, (0.7-)1-3(-4) cm × 1.5-6(-8) mm, base cuneate, apex rounded to retuse. Racemes 0.3-2(-3) cm in fruit. Fruiting pedicels (4-)5-9(-11) mm. Flowers: sepals white or purplish, spreading or reflexed, 3-5(-7) × 0.2-0.3 mm; petals white or pink, broadly obovate to spatulate, 4-9 mm, blade 2-5 × 1.5-3 mm, claw 2-4 mm, nearly smooth or obscurely papillate, margins entire; filaments 6-8(-10) mm; anthers 1-1.5 mm; gynophore slender, (5-)7-11 mm. Fruits 2-4(-5) cm × 0.7-1 mm; ovules 32-54 per ovary; style rarely to 0.1 mm. Seeds 0.6-0.8 × 0.4-0.5 mm.