Herbs, perennial, often prostrate and rooting on basal nodes, at apices ascending; stems densely villosulous. Petiole 0.3-1 cm; leaf blade drying papery, elliptic, narrowly elliptic, or lanceolate-elliptic, 2-8 × 1-4 cm, adaxially scaberulous to glabrescent, abaxially scaberulous, puberulent, or villosulous at least along veins, base obtuse to acute, apex acute; secondary veins 7-9 pairs; stipules caducous, strigillose to puberulent, 2-10 mm, deeply 2-lobed, lobes narrowly triangular to linear. Inflorescences cymose to paniculate, puberulent; peduncle 2-8 cm; principal axes dichasially branched 1 or 2 times, higher order axes scorpioid; bracts linear, 1-5 mm. Flowers subsessile. Calyx glabrous to puberulent; hypanthium portion obconic to oblanceoloid, 1.5-2 mm; limb ca. 1 mm, lobed nearly to base; lobes triangular. Corolla white, shortly tubular, outside glabrous; tube ca. 3.5 mm; lobes ca. 1 mm, smooth dorsally. Capsules linear-oblong to oblanceoloid, 4-4.5 × 1-1.7 mm, valves 4, becoming twisted.
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