Vines; stems small, slender and herbaceous, glabrous to somewhat pubescent. Leaves broadly ovate, 4-10 cm long, entire or hastate-trilobate, basally cordate, apically acute to acuminate, glabrate. Flowers in few-to several-flowered cymose clusters on peduncles about as long as the petiole; sepals long-lanceolate, 10-20 mm long, apically linear-lanceolate, pilose to hirsute with spreading trichomes; corolla blue to purplish with a white throat, 2-3 cm long. Fruits capsular, globose, 8 mm in diameter; seeds densely pubescent with short trichomes.
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