Perennial herb, ±glabrous; stock short; scapes ascending, to 40 cm long. Leaves oblanceolate to narrowly elliptic, ±dentate; lamina 4-12 cm long, to 15 mm wide. Bracteoles free, lanceolate to ovate, to 20 mm long. Sepals free; adaxial one oblong to narrowly ovate, 10-12 mm long. Corolla spurred, 12-20 mm long, pubescent outside, ±glabrous inside, with few wrinkles near base, deep yellow, brownish towards throat; wings ±to base of adaxial lobes, 1-1.5 mm wide. Ovary with septum less than 1/2 as long as locule; ovules 10-16; indusium oblong, 5-6 mm long, c. twice as long as broad, pubescent. Capsule ovoid. Seeds elliptic, c. 4 mm wide, smooth; wing 2 mm wide.
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