Herbs, perhaps perennial, stems decumbent near base and ascending in upper parts, to 30 cm; stems terete to angled and sometimes sulcate, glabrous. Leaves subsessile or petiolate; petiole to 3 mm, sparsely hirtellous to glabrous; blade drying papery or membranous, ovate, ovate-oblong, or lanceolate, 1-3 × 0.5-1.6 cm, adaxially sparsely to moderately hirtellous, scaberulous, or hispid, abaxially glabrous or sparsely to moderately hirtellous along principal veins, base obtuse to subrounded, apex acute; secondary veins 3 or 4 pairs; stipules triangular, 1-2 mm, hirtellous, erose to pectinate or with 3-5 bristles or lobes 1-5 mm, sometimes glandular. Inflorescences terminal or rarely pseudoaxillary, cymose, lax with flowers in groups of 2-5, branched to 2 or 3 orders, glabrous; peduncle 0.8-2.5 cm; bracts laciniate or stipuliform, 0.5-2 mm; pedicels 0.5-1.5 mm. Calyx glabrous; hypanthium portion subcupuliform to obconic; limb divided to base; lobes triangular, 1.5-2 mm, acute. Corolla white, funnelform, outside glabrous; tube 4-5.5 mm, puberulent-papillose to perhaps pubescent inside; lobes triangular, 3-3.2 mm. Capsule compressed globose, 2-2.5 × 3-3.5 mm, glabrous. Fl. Apr-Jul, fr. Jun-Jul.