Erect branching shrub ± 1 m. or more tall, bark blackish; branchlets slender, glab., reddish brown. Lvs glab., rigid, subcanaliculate, crowded towards tips of branchlets. Sheath c. 6-8 mm. long, abruptly narrowed to lamina; margins thin, ciliolate. Lamina linear, acute, 70-75 × 1-1·5 mm.; margins minutely serrulate. Infl. of 2-3-fld subspicate racemes near apex of branchlets, rarely fls solitary. Bracts deciduous, ciliolate; sheath suddenly narrowed to very acute apex. Sepals linear-oblong, ciliolate, acute, persistent, ± = corolla-tube. Corolla-tube 4-5 mm. long; lobes ovate, ± acuminate, patent; anthers sessile, inserted on throat. Capsule depressed-ovoid, seeds ∞.

n = 13