Inflorescence a terminal panicle up to 8 cm long, with the rhachis and branches rather hairy; cymes loosely many-flowered; peduncles up to c. 4.5 cm long, pedicels 5–25 mm long, pubescent.
Calyx tube 4 mm long, campanulate; lobes c. 3.5 mm long and c. 3 mm wide, oblong, obtuse at the apex, reflexed, minutely lepidote on the inner face.
A tall shrub; branches leafy, somewhat flattened and ± pubescent towards the apex, subterete and glabrous in the lower part with a pale brown bark.
Corolla tube 11 mm long; corolla lobes 12–14 mm long and 5–8 mm wide, obovate-oblong, obtuse, glabrous on the outside.
Stamen filaments exceeding the corolla tube by c. 3 cm; anthers c. 2 mm long.