| Field notes | Solitary midstory palm. Stem 9 m tall, 8 cm in diameter; internodes 7 cm long, with black spines. Leaves 14; leaf sheath open, 37 cm long; petiole 48 cm long; rachis 187 cm long; lamina pinnate, bushy; pinnae 35 per side, inserted in groups of 1-6, basal pinna 26 cm long, middle pinna 37 cm long, apical pinna 17 cm long; sheath, petiole and rachis with brown spines. Inflorescence interfoliar; prophyll more than 66 cm long, 4.5 cm wide; peduncular bract 260 cm long, brown, with brown spines; peduncle 164 cm long, 1.5 cm wide, with brown spines; rachis 93 cm long, 1 cm wide, green; rachillae 126, 1-36 cm long, green. Flowers yellow. HB transect no. 379, subunit no. 22. |