Biennial (?) herb. Stem 30-100 cm high, branched, with antrorse to patent hairs arising from groups of mineralized cells. Leaves oblong to ovate-oblong or oblong-lanceolate or lanceolate, petiole 1-1.5 cm long in lower leaves, absent in upper, blade up to 12 cm long, (0.7-)l-2.5(-3) cm wide in lower, 4-9 by 0.5-2.5 cm in middle, 2-4 by 0.25-2 cm in upper leaves, tapering towards petiole, in uppermost leaves sessile with narrow or broad base, acute, more rarely obtuse, nerves distinct on both sides, hairs antrorse, arising from a group of mineralized cells on upper, antrorse, denser along nerves on lower side. Inflorescence terminal on main stem and lateral branches, cymes more or less upright, at sharp angles, ebracteate, sometimes with a single leaf above lowermost flower; pedicels 1 mm in flower, 2.5-3(-5) mm in fruit, curved downwards. Calyx 1.5-2 mm long in flower, lobes ovate, 2.5 mm long, 1.2 mm wide in fruit, obtuse, rounded at apex, with antrorse hairs. Corolla dilute blue or pink, campanulate to funnel-shaped, 3-4(-5) mm long, c. 6 mm in diam., lobes suborbicular, 1.5-2 mm by 2 mm, papillate on inner side; fornices trapeziform, large, as long as wide, sometimes slightly bilobed, involute and papillate at upper margin. Stamens: filaments very short, anthers oblong, below fornices. Pistil: style 1-1.5 mm long, stigma indistinct. Nutlets broadly ovate in outline, 3 mm long and wide, glochids equally distributed, conical, sometimes bases of marginal glochids widened, confluent. Fig. 5.
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