Shrub, up to 1.5 m high. Stems erect, woody below, laxly branched. Leaves opposite; simple; petiolate; blade ovate-lanceolate, 50-100 x 30-80 mm, margins crenulate-serrulate. Flowers: in loosely branched, terminal cymes, up to 360 mm long, with pyramidal shape; pedicels up to 24 mm long; corolla with tube narrowly funnel-shaped, up to 36 mm long, distinctly incurved, lobes oblique; bright to pale red outside, yellow in mouth; Dec.-Mar.
Differing from P. aequalis in the following: shrub, 0.3-1.5 m high; stems laxly branched. Leaves ovate-lanceolate. Flowers loosely branched, up to 360 mm long, pyramid-shaped; pedicels up to 24 mm long. Corolla: tube up to 36 mm long, funnel-shaped, incurved, oblique at mouth; strong to pale red outside, sometimes yellow at mouth. Flowering time Dec.-Mar.