Robust rosulate perennial. Leaves oblong, reaching 290 x 100 mm, lamina slightly decurrent, pilose, margins crenate; petiole up to 20 mm. Inflorescence up to12-flowered; peduncle to 300 mm tall, pilose. Sepals narrowly deltoid, 6.5 x 1.5 mm, pilose, tips red-brown. Corolla 70-76 mm long; tube 50 mm long, lower half linear, 5 mm broad, upper half expanding and slightly dorsiventrally compressed, 20 x 11 mm at the throat, pilose externally and inside along corolla roof; limb bilabiate, upper lobes 12 x 14-15 mm, rounded, with a medial violet streak in each; lower lip 22-24 mm long, violet-streaked, lobes 15-16 x 15 mm. Stamens arising from waist of corolla; filaments 9-10 mm long, white, glabrous basally but with stalked glandular trichomes near connective; anthers 3 x 1 mm, pale mauve, connectives deep violet; posterior staminode minute, within a dorsal channel, lateral staminodes 2 mm long. Pollen prolate, 20-23 x 10-12 µm, tricolporate, poles apocolpoid, exine minutely scabrate. Ovary ± 2 long, with dense appressed filiform trichomes; style12 mm long, dorsiventrally compressed, with stalked glandular trichomes; stigma bifid, white, peripherally papillate. Fruit 100-120 x 2 mm.
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