Stems twining; young parts densely pubescent to farinose. Leaves ovate, 5-10 by 3½-6½ cm; base truncate to emarginate, apex acute to shortly acuminate; upper surface densely and appressedly grey or olive-green sericeous, lustrous, lower surface densely and shortly crisped-tomentose, paler and dull; midrib and 10—14 lateral nerves on either side prominent beneath; petiole short, 1-2 cm, densely and shortly tomentose. Peduncle much exceeding the petiole, 6-10 cm, angular or sulcate when dry, shortly tomentose, umbellately cymose at the apex, many-flowered. Pedicels (of young flowers) up to 5 mm. Bracts oblong to narrowly spathulate, densely short-pubescent to tomentose on both surfaces, 6 mm long, caducous. Sepals unequal, densely pubescent to tomentose on both sides; two outer ones oblong, obtuse or slightly emarginate, 8-9 mm long, sepal 3 a little shorter and narrower, obtuse, ca 6.5 mm long, two inner sepals broadly elliptic, obtuse, 5 mm long. Corolla funnel-shaped (only young flowers seen), bright violet, the midpetaline bands sericeous, for the rest glabrous. Filaments pilose at the base. Ovary glabrous, 2-celled. Fruit unknown.
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