Perennial creeping herbs; stems prostrate, mostly rooting at the nodes, usually 30-90 cm long; branches slender, procumbent or ascending, densely appressed-strigillose to minutely puberulent or glabrate. Leaves with the blades thick-textured, fleshy when fresh, spatulate or oblanceolate to obovate, sometimes elliptic or cuneiform, 1-7.2 cm long and 0.6-2.5 cm wide, rounded or obtuse (rarely subacute) apically, narrowed into a long-or short-cuneate base, sharply serrate above the middle with sharply acute or acuminate mostly appressed or subappressed teeth, entire basally, minutely or densely strigillose-puberulent on both surfaces or glabrous, the venation usually indiscernible on both surfaces or at least inconspicuous; petioles 2-8 mm long or obsolete, often so broadly cuneate-margined as to appear as though a part of the blade. Spikes at first globose, cylindric and elongate in age, 1-2.5 cm long when mature and 6-9 mm in diameter, densely many-flowered; peduncles solitary in each axil, slender, often much elon-gate, usually much longer than the subtending leaves, 1-11.5 cm long, densely or sparsely appressed-puberulent or strigose with antrorse canescent trichomes, or glabrous; bractlets closely imbricate, obovate or subrhomboid-cuneate, subequal-ing the corolla-tube, often broadly membranous-margined apically, mucronate-acuminate or muticous, glabrous or finely ciliate. Flowers with the calyx hyaline-membranous, flattened, about equaling the corolla-tube, deeply 2-cleft, slightly 2-carinate, the keels puberulent, the lobes lanceolate; corolla purple or pink to white, 2-2.5 mm long, slightly surpassing the bractlets, the limb exiguous, slightly strigillose.
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Trailing, perennial herb, up to 20-45 mm long; rootstock woody, stems creeping, rooting at nodes, slender, purplish. Leaves opposite; shortly petiolate; oblanceolate or obovate, 5-50 x 2-30 mm, base cuneate, apex subacute, margins entire, sharply serrate at apex; thinly pubescent. Inflorescence: spikes purplish, cylindrical, 3-25 mm long; bracts closely imbricate, broadly obovate. Flowers mauve-pink, white with yellow throat, often white and purple in same inflorescence. Calyx compressed, membranous. Corolla tube ± 1.5 mm long; lobes unequal, upper lip 2-lobed, erect. Stamens 4 didynamous. Fruit obovoid, divided into 2 smooth mericarps. Flowering time June, Dec.?.
Prostrate herb. Leaves obovate, cuneate and entire in basal half, sharply and coarsely dentate towards apex. Peduncles much longer than subtending leaves. Calyx deeply 2-lobed. Corolla 2-lipped. Flowers white or pink to lilac.
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