| Field notes | Solitary. Stem to 4 m, 4-5 cm diam. Leaves 10; petiole 25 cm; rachis 120 cm; pinnae 12-13 per side, inserted inpairs, basal pinnae 8 x 0.5 cm, middle pinnae 30 x 11 cm, apical pinnae 26 x 8 cm: One old inflorescence interfoliar, erect; peduncle 120 cm, covered with thin spines to 2 cm long. |