Loosely clustering feather-leafed palm growing up to 15 m with diameter c. 50 cm. Leaf sheath only persistent for a short distance underneath the crown subsequently abscising cleanly leaving a clean trunk with clear ladder-like nodes. Fronds slightly smaller than both A. pinnata and A. westerhoutii, leaflets regularly arranged but displayed in multiple planes. Stems grow continuously with flowering towards the apex without dying after its flower cycle (pleonanthic). The brunched inflorescence c. 1 m long. Fruits ovoid, longer than wide, c. 4.5 cm long.