Trees to 30 m tall, 0.6 m d.b.h., glabrate. Adult leaves simple, petiolate, narrowly obovate or occasionally narrowly elliptic, 5-17 cm long, 1-3.5 cm wide, more coriaceous than in A. flammeum , tapered to petiole; apices obtuse or rounded; venation brochidodromous. Intermediate leaves entire, to 41 cm long. Conflorescence corymb-like, 4-20-flowered, solitary or in loosely aggregated bunches of up to 6; bracts subulate or resembling very reduced leaves. Flowers dull pink-red; tepals 2.5-4 cm long; pedicels 1.5-4 cm long. Body of follicle 5.5-12 cm long.
Found on mountain slopes, growing in rainforest, usually in soils derived from granite or metamorphics, at 200-1220 m alt.