Flowering stems 30-230 cm. Leaves: stipules of cauline leaves 1-2 mm (often fimbriate, sometimes foliaceous); petiole (5-)10-50(-100) mm; blade 9-50 × 13-70 mm, succulent. Pedicels densely stipitate-glandular. Flowers: hypanthium free from ovary (1.5-)2-3.5 mm, campanulate to turbinate; sepals erect, lanceolate to ovate-lanceolate, 3-6 mm, apex usually acute; petals violet-purple, ovate or spatulate, 3-6(-6.8) × 1-3.5(-5) mm, lengths ca. 1.3 times sepals, base tapered to claw; stamens (1.9-)2.5-3.3(-3.8) mm; anthers obtuse; styles connate ca. 1/2 their lengths. Capsules ovoid. Seeds 50-100. 2n = 14.