Slender, straggling to sublianoid; stems up to 3 dm. or more long, slightly scabrid on angles or nearly glab., hairs retrorse; branches and branchlets similar, very slender. Lvs and stipules similar, forming rather distant whorls of 4, on flat retrorsely hairly petioles c. 1 mm. long. Lamina patent, linear- to narrowly oblong-lanceolate to narrow-oblanceolate (all forms may be on single plant), 6-10-15-(20) × 2-4 mm.; acuminate, sts awned, sts apiculate, gradually narrowed to base; margins, and midrib below, scabridulous. Fls c. 2 mm. diam., in (1)-3-4-fld axillary cymes. Peduncles slender, c. 15 mm. long, decurved in fr.; pedicels filiform, c. 4 mm. long. Calyx minute; corolla white, tube minute. Fr. of 2 globose cocci 1-1·5 mm. diam., very dark brown, with sparse appressed hairs to glab