Leaves several, loosely associated in a tuft, young ones sessile, flowering ones becoming conspicuously stalked, linear-oblong to ovate, up to 80 × 40 mm., green above, flushed reddish-violet below, pilose on both surfaces, glandular hairs frequent below, margin crenate-dentate, apex obtuse, base subcordate to cuneate, stalk (petiolode) up to 40 mm. long, pilose.
Stamens arising in upper third of corolla tube; filaments c. 2 mm. long; anther lobes <1 mm. long, blue-black at maturity; staminodes minute.
Calyx divided to the base into 5 linear-lanceolate segments, 2 × 0.5 mm., sparsely pubescent with glandular and eglandular hairs.
Ovary c. 3 mm. long, pubescent; style c. 5 mm. long, dorsoventrally compressed; stigma stomatomorphic, papillose.
Inflorescences one or two at junction of lamina and stalk, few-flowered.
Capsule 7–10 mm. long, crowned with the persistent style base.
Pedicels up to 15 mm. long, both wiry, sparsely pubescent.
Seeds 0.3–0.5 mm. long, reticulate.
Peduncles up to c. 40 mm. long.
Bracts minute.
Perennial.