Undershrub with stilt roots; rhizome absent. Stems to 30 (–45) cm long, with many short lateral branches. Leaves: lamina 5.4–7.2 mm long, 0.5–0.6 mm wide, glabrous, margin finely scabrous, apex acute–obtuse usually with a pungent mucro 0.2–0.5 mm long; sheath with branched trichomes on margin. Bracts 6.2–7.5 mm long, 1.8–1.9 mm wide, white, thin, margin glabrous, apex with vestigial leaf lamina 1.6–1.8 × 0.5 mm. Perianth: tube 5.7–6.9 mm long, pilose in lower half; throat with tangle of short hairs; lobes thinly coriaceous, 8.1—9.5 mm long, 2.0—2.8 mm wide, blue, fading to pale blue, pilose on abaxial side, apex acuminate. Staminal filaments 1.9—2.2 mm long. Anthers 5.0—5.4 × 1.2—1.4 mm, yellow, turning orange-red with age, pores below apex. Style 6.2–1. 2 mm long, exceeding anthers. Seeds not seen.