 The leaves are blue-green fading to green, 60–105 cm long, pinnate, with 100-170 leaflets.The leaflets are 10-20.5 cm long and 4.5–8 mm wide, and lie flat or in a shallow 'v'-shape on either side of the leaf stem.The petioles are 15–25 cm long, and armed with sharp spines for most of their length.