Low-growing summer-green subshrub with slender, quadrangular, branching stems up to ± 4 dm. long, arising from slender, branched rhizomes. Branches and branchlets very slender. Lvs opp. distant, subsessile or on slender petioles hardly 0·5 mm. long. Lamina oblong to broad-ovate, ± apiculate, rounded at apex, truncate at base, submembr., us. purplish, (5)-6-8-(9) × (4)-5-6-(9) mm., margins sinuate-undulate. Racemes terminal on stems and sts on main branches, 4-14 cm. long. Fls distant, on slender pedicels up to 7 mm. long; sepals broad-ovate, ± toothed, c. 1·5 mm. long; petals similar; carpels 5, ribbed.

2n = 60