| Field notes | Solitary midstory palm. Stem 12 m high, 20 cm thick. Leaves 20; sheath 1 m long, open, with 30 cm long black spines; petiole 3 m long, section margined, with 15 cm long black spines; rachis 5 m long, with 5 cm long black spines; lamina pinnate, 5.5 m long, 2 m wide, flat, glabrous; pinnae 120 per side, insertion regular; basal pinna 60 cm long, middle pinna 110 cm long, apical pinna 40 cm long. Infructescence interfoliar; peduncular bract 100+ cm long, brown, woody, with 5 cm long black spines; peduncle 120 cm long, 5 cm wide; rachis 45 cm long, 3.5 cm wide; rachillae 100+ per rachis, 10-20 cm long. Fruits brown, 4 cm long, 3 cm wide. Silica gel sample taken from juvenile palm. Transect: HB 468, subunit no. 78, outside transect |