| Field notes | Cespitose understory palm. Stem 3 m high, 1 cm thick; internodes 8 cm long, smooth, black. Base of stem with few visible roots. Leaves 5 per stem; sheath 16 cm long, closed, with 1.5 cm long black spines; petiole 22 cm long, section round, with 3 cm long black spines; rachis 52 cm long; lamina pinnate, 65 cm long, 50 cm wide, flat, hairy; pinnae 23 per side, insertion regular; basal pinna 14 cm long, middle pinna 26 cm long, apical pinna 18 cm long. Infructescence: prophyll 8 cm long, 1.8 cm wide, brown, papery; peduncular bract 16 cm long, inserted 2 cm from base, brown, woody, with 0.4 cm long black spines; peduncle 9 cm long, 0.4 cm wide; rachis 0 cm long; rachillae 2, 5 cm long. Fruits black, 0.6 cm long, 0.5 cm wide. Silicagel sample taken. Transect: HB 740, subunit no. 43, inside transect |
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