Rosulate perennial. Leaves more or less prostrate, oblong-lanceolate, 100-250 x 25-50 mm, lamina decurrent, pilose, margins crenate, petiole 0-25 mm; lower surface sometimes with stalked glands. Inflorescences 1-3-flowered, peduncle up to 150 mm tall, pilose. Sepals linear-lanceolate, 4-0.5 mm, pilose, tips red-brown. Corolla funnel-shaped, 35-45 mm long; tube 25-30 mm long, white or greenish, narrow yellow stripe on floor, cylindrical or slightly dorsiventrally compressed, proximal diameter 3 mm, tapering to 9-10 x 15 mm, outside glandular pubescent, inside very sparsely set with short-stalked glands, roof with few eglandular trichomes at mouth; limb bilabiate, clear pink or nearly white, lobes rounded, 10 x 10 mm, lower porrect usually with 7 maroon stripes, upper lobes spreading. Stamens epipetalous, arising from the lower third of the corolla, filaments 7-9 mm long, white, glabrous basally, with numerous stalked glands distally; anthers 3 x 1 mm, white, posterior staminode minute, within a dorsal channel, lateral staminodes c. 1.5 mm long. Pollen prolate, 20 x 12 µm, tricolpate, exine microreticulate and minutely scabrate. Ovary 12 mm long, with dense, appressed, filiform trichomes; disc orange or white; style 8-10 mm long, dorsiventrally compressed, with stalked glandular trichomes distally; stigma stomatomorphic, bilabiate, narrowly elliptical, papillate. Fruit pale brown, up to 55 x 1.5 mm, tightly twisted.
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