A perennial woody herb up to 50 cm. tall; young stems angled and green, pubescent with short hairs; older stems terete, brown or grey.. Leaf-blades obovate to obovate-oblong, 0.8–2 cm. long, 0.5–1.5 cm. wide, truncate in outline at the apex, cuneate at the base, coarsely crenate-serrate at the margin with 5–9 spreading teeth, puberulous to pubescent with short hairs on both surfaces; lateral nerves 2–3, visible above and beneath; petiole 2–6 mm. long, pubescent.. Flowers spreading, sessile in dense terminal spikes 2–13 cm. long; bracts 1.5–3 mm. long, acuminate.. Calyx tubular, 6–8 mm. long, 5-ribbed, hyaline between the ribs, shortly toothed, pubescent.. Corolla cream and yellow; tube 1.4–1.6 cm. long; limb 5–6 mm. wide, the lobes somewhat unequal, 1.5–3 mm. long, 1–2 mm. wide.. Nutlets black, 3.5–4.5 mm. long, reticulate.
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