Herbs to 5 cm tall, slender, sometimes creeping, stoloniferous, glabrous. Petiole 3-11 mm, narrowly winged, glabrous; leaf blade ovate to elliptic, 1-5 × 0.7-5 cm, papery, abaxially usually purplish red or rarely green and usually glabrous but sometimes sparsely strigose along tertiary veins, adaxially green or purplish green and sparsely strigose, secondary veins 1 or 2 on each side of midvein, base obtuse, rounded, or subcuneate, margin subrepand and armed with teeth, apex obtuse to acute. Inflorescences terminal cymes, 1-5-flowered, with 2-6 bracts at base; peduncle 0.5-3(-4) cm; bracts, foliaceous, obovate, pubescent. Pedicel 1-3 mm, 4-sided, narrowly winged on angles. Hypanthium 3-5 mm, 4-sided, narrowly winged on angles. Calyx lobes rectangular or triangular, forming a right angle with hypanthium or not, abaxially setose or with triangular wings, sometimes their margin setose. Petals purplish red to pink, broadly ovate, oblique, 3-4 mm, apex acute with an apiculate tip. Stamens 1-1.5 mm; anthers yellow, ca. 0.5 mm; connective decurrent, forming a short spur ca. 1/2 length of anther. Ovary urceolate, apex with a membranous crown, crown margin undulate. Capsule whitish green, cup-shaped, 4-sided, membranous crown exserted from hypanthium.
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