Slender herb, glab. or ± pilose, with prostrate stems and branches rooting at nodes; branchlets very slender, ascending at tips or elongate and sprawling. Lvs subsessile or with petioles up to 5 mm. long. Lamina ovate-oblong to oblong in outline, (2)-3-4-(5) × (1)-1·5-2-(3) mm.; coarsely, deeply toothed (teeth occ. few), ± pilose, membr. to slightly fleshy. Peduncles at first very short, elongating to 10-15-(20) mm. long, filiform. Fls (4)-6-10 mm. long; calyx ± pilose, 4-5 mm. long; lobes ± 2 mm. long, linear, acute to acuminate, ± recurved. Corolla white to very pale cream; lobes linear-lanceolate, acute, up to ± 7 mm. long; anthers glab. Berry (immature) subglobose, green, ± 3 mm. diam.; seeds ∞.

Glabrous or ± pilose herb, prostrate or nearly so. Stems rooting at nodes, generally branched, slender, generally glabrous. Lvs subsessile or with very short petioles. Lamina 1.5-4-(5) × 1-2-(3) mm, oblong to ovate-oblong, deeply and narrowly toothed, sometimes entire or slightly toothed, generally glabrous, sometimes ± pilose, membranous or nearly so. Peduncles often very short at anthesis, elongating to c. 20 mm, filiform. Fls solitary. Calyx lobes 1-3 mm long, ± pilose, linear to elliptic. Corolla 4-8-(11) mm long, white or whitish, often dark-veined; tube 5-6 mm long, tapering evenly towards base; lobes 2-3 mm long, linear-lanceolate to elliptic, spreading, acute. Fr. to c. 8 mm diam., subglobose, purplish or greenish.