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Stems 12–16 in. long, weak, creeping, rooting at the base, with 2 lines of minute crisped hair. Leaves up to 3 1/2 by 1 1/2 in., ovate-acute, much tapering at the base, minutely pubescent on the nerves; cystoliths on upper surface many, small; petiole 0– 1/3 in. long. Panicles terminal, up to 4 by 2 in., nearly glabrate; flowers in 1–4 clusters on the branches, sessile; floral leaf (or bract), 1/3– 1/2 in. long, obcordate, sub-3-lobed, apiculate, on a linear petiolule, mostly 1-flowered, minutely gland-hairy on the margin; fruiting panicle-branches loose, but lower bracts imbricated, almost substrobilate. Sepals 5, 1/5 in. long, linear, minutely pubescent. Corolla-tube 1/5 in. long, linear; lips 1/10 in. long. Stamens 2; anther-cells 2, one slightly higher than the other, muticous; pollen globose, minutely tubercled on all sides, the tubercles in meridional lines; stopples 6, equatorial. Style nearly glabrous; stigma subcapitate. Capsule 1/3 in. long, 4-seeded, glabrous; stalk 1/10 in. long, solid; placentæ not rising elastically; seeds tubercular-scabrous.