Short-lived perennial up to 1.2 m. tall; stems erect, or rarely decumbent, unbranched or sparsely branched just above the ground, up to 2 cm. in diameter at point of junction with the root, densely stellately subferruginously tomentose.. Leaf-blade broadly elliptic or obovate, 6.3–10 cm. long, 3.8–6 cm. wide, blunt but mucronate at the apex, narrowly cuneate at the base; margins coarsely wavy or lobed above, rarely entire; sparsely stellately hairy above, beset with ± dense grey granular tomentum beneath; petiole about 2.5 cm. long.. Peduncle 1–9 cm. long, usually long; inflorescence a subcapitate (1–)6-flowered cyme; pedicels about 6 mm. long.. Sepals ovate-lanceolate to lanceolate, 1–1.4 cm. long, acute.. Corolla purple with lighter limb or white with a purple eye, (2–)2.5–3.5 cm. long.. Capsule ovoid, 6–8 mm. tall.