| Field notes | Solitary palm. Stem 4 m tall, 20 cm in diameter, covered by old leaf sheaths. Number of leaves 10; leaf sheath open, 130 cm long; petiole 2 cm long, section margined; rachis 7 m long; sheath, petiole and rachis with black spines; lamina pinnate; number of pinnae per side 100, regularly inserted, in one single plane, abaxial side white, middle pinna 105 cm long, apical pinna 40 cm long. Infructescence interfoliar; prophyll 87 cm long, 10 cm wide, spiny; peduncular bract 75 cm long, inserted 120 cm from the base, black, woody, spiny; peduncle 145 cm long, 3-5 cm in diameter; rachis 25 cm long, 3.5 cm in diameter; rachillae 150, 10-14 cm long. Fruits spiny. HB transect no. 362, outside subunit no. 55 |