Plant to 1 m high; tufts 1–6 cm across at base. Aerial stems simple or branched. Leaves ± folded towards base, 2–35 cm long; lamina ± flat, 1.5–11 mm wide, glabrous but often papillose; margin smooth or irregularly scabrous. Inflorescence few-to many-flowered; upper axes usually glandular-setose; bracts linear to subulate, 2–12 mm long; pedicels slender, 1–5 cm long, ascending. Perianth segments blue, 5-veined. Sepals ±linear, 1.6–2 cm long, usually glandular-setose outside, glabrous inside. Petals elliptic, 1.4–1.8 cm long, glabrous. Stamens 6–8 mm long; anthers 4–6.5 mm long, yellow-brown to black. Ovary to 2.5 mm long; style 3–5.5 mm long, green to blue. Capsule 4–7 mm wide. Seeds c. 2.5 mm long, granulate or smooth, shiny.
Grows in forests and swampy heaths, on laterites, skeletal soils, sands and peaty sands.
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