c. 40 cm long. Basal lvs and those on short vegetative shoots with long slender petioles. Lamina 1-2.7 × 1-3 cm, broad-ovate, suborbicular to reniform, usually hairy towards base, crenate; base subcordate to prominently widely cordate; apex obtuse or nearly so; main cauline lvs 2-4 cm × 1-5 mm, linear or linear-lanceolate, glabrous, entire, sessile or shortly petiolate. Fls nodding, in open, sparingly branched racemes. Pedicels glabrous, slender, > setaceous bracts. Calyx lobes subulate or setaceous, 3-8 mm long. Corolla 1.5-2 cm long, campanulate, deep blue; lobes short and broad. Stigmas 3. Capsule pendent, 3-celled, 5-7 mm diam., ± turbinate or subglobose, dehiscing at base.