Herbs, perhaps perennial, procumbent or ascending in upper parts; stems subterete to angled or compressed, smooth to ridged and/or sulcate, glabrous. Leaves subsessile or petiolate; petiole to 10 mm, glabrous; blade elliptic, lanceolate, or ovate, 1-5 × 0.5-2 cm, glabrous or sparsely strigillose or scaberulous adaxially at least near margins, abaxially glabrous or sometimes puberulent on principal veins, base acute to obtuse, apex acuminate to acute; secondary veins 3-9 pairs; stipules sheath rounded to broadly triangular, 0.8-1.5 mm, glabrous to puberulent, with 2-7 bristles or linear lobes 0.3-3 mm, glabrous, often glandular. Inflorescences terminal and/or pseudoaxillary at upper nodes on principal and short axillary stems, capitate to congested-cymose, 1 to usually several flowered, glabrous, sessile or peduncle to 3 mm; bracts reduced, stipuliform, to 0.5 mm; pedicels to 2 mm. Flowers subsessile to pedicellate. Calyx glabrous; hypanthium portion cupuliform to turbinate, 0.8-1.2 mm; limb lobed to base; lobes triangular or ligulate, 1.5-2.5 mm. Corolla white, shortly tubular to rotate, outside glabrous or puberulent; tube 1-1.5 mm, apparently glabrous in throat; lobes narrowly triangular-oblong to ligulate, 1.5-2 mm. Capsule compressed subglobose to obovoid, ca. 3 × 4 mm, slightly dicoccous, glabrous, smooth. Fl. and fr. Jul-Oct.
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