Undershrub, erect, rhizome absent, plant with stilt roots 10–60 mm long. Stems to 60 cm long, slender, with many lateral branches, occasionally with adventitious stilt roots protruding from upper branches (to 150 mm long). Leaves: lamina 5.2–11.5 mm long, 0.9–1.4 (–2.5) mm wide, glabrous, margin usually glabrous, occasionally slightly scabrous, apex acute and with a pungent mucro 0.4–0.7 mm long; sheath with branched trichomes on margin. Bracts 5.9–6.6 mm long, 1.9–2.1 mm wide, white at base, thin, brown at apex, brown median stripe, margin with branched trichomes, apex with vestigial leaf lamina 1.6–2.1 mm long, 0.2–0.3 mm wide. Perianth: tube 6.2–7.1 mm long, pilose in lower half and in three lines for entire length; short barbed hairs in throat, lobes chartaceous, 6.5–9.0 (–13) mm long, 1.2–2.0 mm wide, dark blue, eventually fading, pilose on abaxial side, apex acuminate. Staminal filaments 1.1–2.2 mm long. Anthers 4.0–5.1 × 0.7–1.0 mm, yellow, turning orange-red with age, pores terminal. Style 8.9–9.6 mm long, prominently exceeding anthers. Seeds spindle-shaped, c. 2.7 × 0.5 mm.
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