Clonal perennial, with stilt roots to 8 cm long; rhizome absent. Stems to 45 cm high, with many short lateral branches. Leaves: lamina 5.0–8.8 mm long, 0.38–0.53 mm wide, glabrous, margin scabrous at apex, otherwise glabrous, apex with a pungent mucro 0.2–0.5 mm long; sheath with short, branching trichomes on margin and a line of long, stiff hairs near the margin, otherwise glabrous. Bracts 6.2–7.2 mm long, 1.4–2.4 mm wide, papery, translucent and off-white to opaque and pale brown; outer bracts similar; margin with unbranched or shortly branched trichomes, these sometimes also on midrib below apex; apex with green vestigial leaf lamina 1.4–2.0 mm long, 0.3–0.4 mm wide. Perianth: tube 6.5–7.3 mm long, shortly pilose in lower half with 4 lines of hairs continuing for entire length, prominently costate when dry; lobes 6.9–7.9 mm long, 1.8–2.2 mm wide, blue, not becoming red with age, shortly pilose on abaxial side, apex acute; margins opaque; throat glabrous above sinus with short hairs inside. Staminal filaments 2.1–2.3 mm long. Anthers 4.2–4.4 mm long, 0.90–0.95 mm diam., yellow turning orange-red with age; pores terminal. Style 6.0–7.7 mm long, exceeding anthers. Seeds not seen.