Leaves with petiole to 2 cm long; lamina lanceolate to ovate, to 9 cm long, 4 cm wide, lobate or cordate to truncate at base, acuminate, with sparse to dense hairs when young; secondary veins 4–9 each side of midrib, prominently raised beneath; colleters 2–7. Flowers 3–5 mm long, 8–13 mm diam.; pedicels 5–10 mm long. Sepals lanceolate to ovate, 2–3 mm long. Corolla rotate, lobes lanceolate to ovate, 3–5 mm long, 3.5–4 mm wide, glabrous, mauve to brownish inside, green outside. Corolline corona absent; staminal corona cupular and recessed in corolla tube; lobes flattened-truncate, 0.5–1 mm long, 0.75–1 mm wide. Pollinia oblong-globose. Follicles fusiform-ovoid, 10–13 cm long.
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