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Leaf lamina 5–16 × 2.5–7 cm, ovate-lanceolate, acute at the apex, attenuate to the base, ± pubescent or with glandular hairs on both surfaces, particularly on the nerves; petiole up to 5 cm long, densely covered with spreading and glandular hairs.
Ocrea brownish, 1–2 cm long, membranous, pubescent, glandular, truncate and ciliate at the apex.
An erect perennial herb, with patent hairs and short glandular hairs on vegetative parts.
Perianth 3.5–4.5 mm long, subcampanulate, 5-lobed; lobes white, 2.5–3.5 mm long, ovate.
Stamens 7; filaments 1.5 mm long, filiform; anthers 0.25 × 0.15 mm, ellipsoid.
Ovary 2.5 × 1.5 mm, globose to ellipsoid, ± compressed; styles 2, rarely 3.
Nut dark brown, smooth and shiny, 3.5 × 2.5 mm, lenticular.
Stems up to 1.2(1.75) m tall, shortly branched.