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Leaf blades 2.3–9.5(14.5) × 0.75–4.5(5.5) cm, lanceolate to ovate-lanceolate, acute to narrowly acuminate at the apex, cuneate at the base, glabrescent or with long and short hairs on both surfaces, sometimes quite velvety beneath with short hairs; petiole 0.2–1.5 cm long; stipules consisting of a single deltoid lobe 0.1–1 cm long or two subulate-lanceolate lobes 4–8 mm long from a short base together with small colleters on either side.
Corolla tube 7–10(13) mm long, 1–1.5 mm wide at the base, 2.5–7 mm wide at the apex, hairy with spreading setae; lobes 6–12(15) × 1–2(2.3) mm, ciliate with long setae; disk 0.8 mm tall and wide, cylindrical.
Calyx tube 1–2 × 1–1.5 mm, urceolate, densely hairy with appressed or patent hairs; lobes 4–6, 3.5–8(11) mm long, filiform to distinctly spathulate, setose.
Erect or somewhat scandent herb or subshrub 0.5–2(3) m tall with ± branched stems, glabrescent or covered with appressed to spreading hairs.
Flowers white, rose or violet, in dense branched terminal cymes 1.5–4.5 cm wide (5.5 cm in fruit) which are hairy or setose.
Fruit 2–3 mm in diameter, chestnut-coloured, globose, appressed pilose.
Style 8–19(23) mm long, exserted; stigma slightly capitate.
Stamens exserted, 0.6–1.6(2) cm.
