Glabrous. Leaves opposite; lamina lanceolate to ovate, 4-8 by 2-3 cm, attenuate at the base to a petiole 3-7 mm long, acuminate and acute at the apex, weakly glossy above, dull below; venation pinnate with the midrib prominent and the main laterals visible on both sides. Inflorescences at the nodes, a raceme of 3-5 opposite pairs of triads with all flowers sessile; axis 20-34 mm long, lacking triads in the lower (12-) 16-24 mm; peduncles of the triads 2-4 mm long, secund. Corolla in mature bud 6-merous, 39-49 mm long, slender, weakly clavate and acute at the apex, red below and yellow above; petals in the open flower coherent in the lower 10 mm. Anther c. 7 mm long, about equal to the free part of the filament.
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