| Field notes | Cespitose midstory palm. Stem 3-5 m high, 7-8 cm thick, smooth, grayish-brown. Leaves 7-8 per stem; sheath 68 cm long, open, with 5-10 cm long black spines; petiole 52 cm long, section round; rachis 3.35 m long, without spines; lamina pinnate; pinnae 46 per side, insertion regular; basal pinna 61 cm long, 5 cm wide, middle pinna 76 cm long, 5.5 cm wide, apical pinna 44 cm long, 3.5 cm wide. Infructescence infrafoliar; prophyll 24 cm long, 6 cm wide, woody; peduncular bract 33 cm long, brown, with 0.7-2 cm long brown to black spines; peduncle 12 cm long, 1.5 cm wide, without spines; rachis 16 cm long, without spines; rachillae more than 30, 1.5-4 cm long. Fruits 1 cm long, 1.5 cm wide, with 0.2 mm long black spines. Silica gel sample taken. Transect: HB 1046 |