Plants light green, stoloniferous or mat-forming, 0.2-3 dm. Stems usually prostrate or arching. Leaves often crowded near plant base, petiolate or nearly sessile; blade orbiculate to broadly spatulate, 0.5-6 cm, base decurrent, broadly cuneate (or somewhat rounded), apex obtuse. Inflorescences terminal and axillary in distal leaves, racemose, sessile or short-pedunculate; peduncle to 1.5 cm, shorter than to equaling stem. Pedicels usually spreading, bracteate, 1.4-10 mm, glabrous; bract proximal to midlength. Flowers: calyx 1-2 mm, lobes triangular-ovate, equaling or longer than tube, apex acute, not glandular; corolla white, 1-3 mm, lobes oblong, longer than tube, base glabrous, apex rounded or slightly emarginate; staminodes 5. Capsules 2-3 mm.
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