Erect, branched herb or subshrub 0.6-1.2 m tall; stems ascending, finely tomentose. Leaves petiolate; blade thickish textured, ovate to oblong-ovate, 80-140 x 50-80 mm, sparingly pubescent mainly on the nerves, under-surface with orange-brown to dark gland-dots and small subses-sile glands, apex acute to acuminate, base rounded to truncate, margin finely and regularly crenate-serrate; petiole 15-60 mm long. Inflorescence paniculate, 250-350 mm long; flowers in few-flowered cymes consisting of a central flower and 2 short lateral branchlets in the axil of each bract, the peduncles of the lateral cymes up to 7 mm long. Calyx up to 9 mm long in fruiting stage, finely glandular-puberulous. Corolla white, about 7 mm long, covered with a tomentum of white multicellular hairs, deflexed, expanded and markedly saccate at the base, narrowing somewhat towards the throat; upper lip 2 mm long; lower lip boat-shaped, curved upwards, 4 mm long. Stamens free, about 2.5 mm long.
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