Undershrub without stilt roots; rhizome decumbent, to 50 cm long, buried 7–10 cm deep. Stems distant, to 65 cm long, with many short lateral branches. Leaves: lamina 5.7–16.8 mm long, 0.5–0.8 mm wide, glabrous, margin scabrous, apex acute with a pungent mucro 0.5–0.6 mm long; sheath with branched trichomes on margin and scattered on lamina. Bracts 12.3–13.5 mm long, 2.2–2.8 mm wide, white at base, thin, brown at apex, pilose in upper third, margin glabrous, apex with vestigial leaf lamina 1.5–2.4 mm long, 0.2–0.4 mm wide. Perianth: tube 10.5–11.6 mm long, golden pilose; throat with short scattered hairs; lobes chartaceous, 13.6–16.7 mm long, 3.2–4.1 mm wide, deep blue, not fading, pilose on abaxial side, apex acute. Staminal filaments 1.2–1.4 mm long. Anthers 4.4–5.0 × 0.8–1.1 mm, yellow, turning yellow-brown, pores terminal, basal lobes acute. Style 7.8–8.5 mm long, exceeding anthers. Seeds spindle-shaped, c. 5 mm long.
Home