| Field notes | Cespitose understory palm. Stem aerial. Leaves 5 per stem; sheath 27 cm long, closed; petiole 64 cm long, section round, spiny; spines 3-4 cm long, yellow with brown apex; rachis 88 cm long, spiny; spines 2.5-3 cm long, yellow with brown apex; lamina pinnate, 105 cm long, 57 cm wide, bushy, glabrous; pinnae 21 per side, irregularly inserted in groups of 2-5; basal pinna 17 cm long, middle pinna 30 cm long, apical pinna 19 cm long. Inflorescence interfoliar; prophyll 13 cm long, 1.8 cm wide, woody; peduncular bract 16 cm long, inserted 11 cm from base, brown, woody, with 0.8 cm long, yellow spines; peduncle 10 cm long, 0.4 cm wide; rachis 0 cm long; rachillae 2 per rachis, 4-5 cm long. Silica gel sample taken. Transect: HB 431, subunit no. 60, inside transect |