Stems 30-80 cm, sparsely brown spotted, glabrous, simple, with up to 15 nodes. Petiole 0.5-2 cm; leaf blade narrowly ovate to ovate or obovate, 4-14 X 1.8-6.5 cm, glabrous, base cuneate to attenuate, margin entire, apex abruptly acuminate, without sclereids; lateral veins 5 or 6 on each side of midrib. Cymes ca. 6-flowered; peduncle 3.5-7 cm, glabrous; involucre ca. 1.3 cm in diam., outside glabrous. Calyx 5-sect from base; segments equal, lanceolate, 7-8 X ca. 2 mm, outside and margin glabrous. Corolla outside pink, inside purple spotted, 3.2-3.5 cm, outside glabrous, inside with a ring of hairs; tube 2.1-2.3 cm; adaxial lip 5-7 mm; abaxial lip 1.1-1.2 cm. Anthers ca. 3.5 mm; staminodes 3, ca. 5 mm. Pistil ca. 3.2 cm, glabrous. Capsule 2-2.5 cm. Fl. Oct-Dec, fr. Dec-Jan.
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