Herbs, perennial, usually rooting at basal nodes but ascending in upper parts; stems puberulent to glabrescent. Petiole 0.3-1 cm; leaf blade drying papery, elliptic to elliptic-ovate, 1-6.5 × 1-3 cm, puberulent to glabrescent on both surfaces, base cuneate to obtuse, apex obtuse to acute; secondary veins 3-7 pairs; stipules deciduous or caducous, deeply 2-lobed, lobes narrowly triangular to linear, 4-5 mm, puberulent to glabrescent. Inflorescences cymose, puberulent to strigillose, unbranched or dichasially branched 1 time; peduncle 1-4.5 cm; axes scorpioid; bracts filiform. Flowers subsessile. Calyx glabrous to puberulent; hypanthium portion oblanceoloid to cylindrical, 1.5-2 mm; limb 0.5-1 mm, deeply lobed; lobes triangular. Corolla white, shortly tubular, outside glabrous; tube 2-2.5 mm; lobes 1-1.5 mm, dorsally keeled. Capsules linear-oblong to oblanceoloid, 5-6 × 1.5-1.7 mm, valves 2, becoming twisted, sometimes later partially splitting.
Home