Small, prostrate to ascending; stems weak, branched, seldom > 2 dm. long, occ. wiry; branches and branchlets ± ciliate on angles. Lvs and stipules ± patent, in rather distant whorls of 4, on petioles < 1 mm. long Lamina us. with pellucid dots, glab. or ciliolate, 2.5-5-(10) × 2-3-(4) mm., broad- to elliptic-oblong, acute, sts apiculate or awned, abruptly rounded to base. Fls 1-1·5 mm. diam., axillary, solitary on filiform peduncles ± 5-8 mm. long, nodding in fr., or 2-3 on very short, sts branched, pedicels. Corolla white, tube minute. Fr. of 2 subglobose, minutely rugulose cocci c. 1-1·5 mm. diam.

2n = 22

Perennial herb; stems slender, filiform, straggling, to 20 cm long, glabrous, or retrorsely ciliate on angles. Lvs and stipules in distant whorls of 4, subsessile or with petioles to 1-(2) mm long; lamina (1)-1.5-4-(8) × (0.7)-1-3.5 mm, usually elliptic, broad-ovate to broad-elliptic or obovate, rarely narrower; margins and midrib glabrous or ciliolate; apex usually mucronate. Fls 1-3 in terminal or axillary cymes; peduncles and pedicels filiform; peduncles 0-2-(7) mm long; pedicels (0.7)-1-4-(6) mm long, deflexed at fruiting; bracts very small or 0. Corolla 1.3-2 mm diam., white; lobes ± ovate-oblong, acute or mucronate. Mericarps 1-1.5 mm diam., reniform to subglobose, ± rugulose, glabrous or with appressed hairs.