Herbaceous plant, 0.3-1.0 m high; stems simple, erect, base sometimes elongated to creeping rhizome. Leaves clustered at base, often with 1-3 cauline pairs, usually much shorter than internodes; basal leaves oblanceolate to linear-spathulate, up to 300 x 17 mm, base linear, apex obtuse. Flowers in terminal cymes, usually forming a thyrse, rachis (inflorescence axis) erect, 10-30 mm long, crowded, fastigiate (± parallel to other members). Corolla cerise-pink to magenta, ± 20 mm long; tube 7 mm long; lobes oblong-elliptic, narrowing to acute apex. Stamens 5, inserted ± 1.5 mm below rim; anthers twisted. Ovary narrowing into 10 mm long style. Flowering time Nov.-Jan. Fruit an ovoid capsule, with acute apex.
Decumbent perennial rooting at nodes. Leaves linear to elliptic. Flowers pink, corolla tube ± 13 mm long, ovary and fruits acuminate, stigma broadly peltate.