Robust climber; stems red-brown, corrugated, glabrous. Adult leaves: lamina elliptic, 44–117 mm long, 20–60 mm wide, thick, coriaceous; petiole to 6 mm long. Inflorescences branched, corymbose panicles, 10 or more bisexual flowers; rachis 18–25 mm long, stout. Sepals 6–8 mm long, narrowly triangular. Petals briefly connivent, spathulate, 17–27 mm long, white/pink becoming tinged pink in the throat with age/sex phase change, apices recurving. Stamens initially slightly adnate to petal joins; filaments wider at base; anthers tiny (