Diffusely branched shrub to 5 m. tall. Branchlets pale green, glab., length of internodes 2-5-(8) × diam. Lvs suberect to spreading, 5-15 × 1-2.5 cm., long-lanceolate, submembr.; lf-bud with distinct sinus; lamina conspicuously narrowed towards apex and long-acuminate, glab. except for fine pubescence above and under midrib, on margins of young lvs and especially on expanded midrib of petiole; margins entire or minutely and remotely denticulate. Infls lateral, simple, > lvs and sts to 20 cm. long, peduncle us. 3-4 cm. Fls rather close but not hiding rhachis, pedicels c. 3 mm. long, = or > narrow ciliolate bracts. Calyx-lobes c. 2 mm. long, narrow, acute, ± keeled, ciliolate. Corolla white or very pale lilac-tinted, tube rather wide, shortest at the back and there little > calyx, lobes c. 3-4 mm. long, narrow-ovate and ± acute. Capsule ± pendent, to 3·5 × 2.5 mm., rounded, glab., < 2 × calyx.

n = 20

n = 20

n = 20

2n = 40

n = 20

2n = 40