Clonal perennial; rhizome short, compact, with sand-binding roots. Stems to 65 cm long, robust, with many long lateral branches. Leaves: lamina 8.8–12.9 mm long, 0.6–1.3 mm wide, with branched trichomes on abaxial side, becoming glabrous, margin finely scabrous, apex acute with a pungent mucro 0.6 mm long; sheath with branched trichomes on margin, otherwise glabrous. Bracts 11.9–14.9 mm long, 2.7–3.2 mm wide, brown, margin with long branched trichomes, apex with brown vestigial leaf lamina 3.8–4.2 mm long, 0.9–1.3 mm wide. Perianth: tube (8–) 9.2–12.7 mm long, pilose in lower half to full length, not prominently costate when dry; lobes 8.2–16.2 mm long, 2.0–4.1 mm wide, blue-red, fading to pale blue-red, pilose on abaxial side, apex acuminate; margins opaque; throat with tangle of short, barbed hairs. Staminal filaments 2.7–4.2 mm long, purple. Anthers 3.5–6.7 mm long, 0.8–1.5 mm diam., yellow, not turning orange-red with age; pores terminal. Style 14.3–17.9 mm long, exceeding anthers. Seeds not seen.
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