Erect shrub 1.5-3 m high. Branchlets sparsely to densely subsericeous, rarely subtomentose. Leaves sessile, entire, ascending to erect, linear to narrowly obovate (to broadly elliptic in juveniles), straight, 6-16 cm long, 1-5 mm wide (to 22 mm in juveniles), leathery; margins flat, sometimes thick; leaf surfaces similar, with 3-9 parallel longitudinal ridges, subsericeous at least in grooves. Conflorescence erect, terminal or upper axillary, simple or few-branched; unit conflorescence cylindrical, 7-15 cm long, ±synchronous, or sometimes weakly basipetal; floral rachis yellow, glabrous. Flowers adaxially oriented. Flower colour: perianth and style creamy white. Perianth glabrous; tepals spreading and free after anthesis. Pistil 7.5-10 mm long, glabrous; pollen-presenter subcylindrical. Follicles narrowly and obliquely obovoid-cylindrical, 12-18 mm long, smooth.