Perennial herb, glabrous; stock short; scapes erect, to 50 cm long. Leaves elliptic to oblanceolate, dentate; lamina 10-25 cm long, 2.5-6 cm wide. Bracteoles connate into open funnel to 8 cm diam. Adaxial sepal broadly elliptic, 8 mm long. Corolla 10-12 mm long, pubescent outside, almost glabrous inside, without enations, yellow; wings ±to base of adaxial lobes, to 2 mm wide. Ovary with septum c. 1/4 as long as locule; ovules c. 10; indusium semi-orbicular, c. 3 mm wide. Capsule globular. Seeds orbicular, c. 3 mm wide, punctate.