Erect undershrub up to c. 70 cm high. Branches subterete, c. 0.5 cm ø, pubescent. Leaves thin-coriaceous, lanceolate to narrow-lanceolate, oblong-elliptic or elliptic-lanceolate, 16-26 (-39) by 4-9 (-13) cm; apex acuminate; base rounded or cuneate; glabrous above, pubescent beneath; nerves pinnate, basal pair weak and short, close to the margin, up to ¼-⅓ of the blade; lateral nerves 8-13 pairs, elevated and prominent beneath, slender above; veins and veinlets closely reticulate, prominent beneath, rather faint above; petiole c. 5 mm, pubescent. Inflorescences at the basal part of the stem, in the axils of reduced leaves, spiciform, up to 5 cm long, pubescent. Bracts elliptic, 2-5 mm long, puberulous on both surfaces. Pedicel and ovary 8-13 mm, densely puberulous. Perianth light bluish purple, blue and pink, or dark red outside and whitish inside, campanulate, 16-22 mm long, 10-20 mm ø, with loosely reticulate veins, puberulous outside, glandular hairy inside; tube 10-15 mm long; lobes triangular or semi-orbicular, 6-7 by 11-16 mm, apex acute or apiculate (the apical part usually incurved and the apex seemingly obtuse). Stamens in 2 whorls: upper row 8-10, lower 12-14; filaments glabrous, 1-1.5 mm; anthers oblong, 1.3 mm long. Style column 5-7 mm; lobes 4-6, glabrous. Capsule fusiform (only open, empty valves seen), c. 3 cm long, pubescent. Seeds not seen.
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