Agelanthus flammeus Polhill & Wiens

Corolla 4–4.8 cm long, flame-red with orange band around vents and tip darker red, glabrous except for minute hairs on bud head and sometimes a few small hairs on tube (especially the constriction); apical swelling of bud 4.5–5.5 × 2.5 mm, slightly ribbed; basal swelling 5–6 × 4–5 mm, ovoid, with tube constricted for 3 mm above; lobes erect, 8–9 mm long; upper expanded part 5–6 × 1–1.2 mm, linear-elliptic, hardened inside (and slightly thickened towards base).