Glabrous. Leaves opposite; lamina elliptic to obovate, 6-12 by 3-7 cm, cuneate to attenuate at the base to a petiole 5-10 mm long, obtuse or rounded at the apex, dull on both sides; venation pinnate with the midrib prominent and the main laterals somewhat curvinerved and faintly visible on both sides. Inflorescences at the nodes, a dense many-flowered spike; axis 20-40 mm long; bracts rounded, very concave, appressed to the axis, c. 0.8 mm long. Ovary shortly campanulate, c. 1 mm long; calyx limb erect, c. 0.2 mm long. Corolla in mature bud 4-or 5-merous, 3.5-5 mm long, slightly inflated and angular in the lower part, narrowed to a neck, clavate and rounded at the apex, red. Anther c. 1 mm long, obtuse, slightly longer than the free part of the filament. Style 3-4.5 mm long, reaching to the top of the anthers, uniformly slender throughout or widened upwards, lacking a constriction or sometimes constricted immediately below the stigma; stigma obconic, twice as wide as the style.