This Pachycarpus is thought to be P. coronarius. P. coronarius grows in the Eastern Cape in the vicinity of the Bashee and the Umtata Rivers. The plant grows to 80 cm and resembles P. grandiflorus. The leaves on short petioles are oblong to lanceolate, about 7 cm long and 2,5 cm wide. They have rough and undulating margins.

Flowers grow in pairs at the nodes and leaf axils. Their pedicels are up to 3,5 cm long and variably hairy. The sepals are narrow, green and acutely pointed. The corolla lobes are elliptic and curve in to form an open cup-shape as they are joined only near the base. They recurve only right at their pointed tips. The corolla is purple, tinged with green and faintly hairy, especially at the margins. The pale, lanceolate corona lobes spread horizontally, purple near the tips with keeled bodies below (JSTOR).