What is the plant
Stem to 17 m tall, without leaf sheaths about 50 cm in diam., with leaves persistent in upper trunk, otherwise with persistent, diamond-shaped leaf bases. Leaves obliquely vertical in orientation, about 2 - 4 m long; leaf sheath fibrous, reddish-brown; pseudopetiole 50 - 70 cm long; acanthophylls irregularly arranged in more than one plane, to 10 on each side of rachis, yellow to orange-green; leaflets irregularly arranged in one to two planes of orientation, about 65 - 100 on each side of rachis, stiff, to 50 x 2 cm; lamina concolorous, glaucous, surfaces often white with waxy coating. Staminate inflorescences erect; prophyll coriaceous, splitting twice between margins, about 45 x 8 cm; peduncle to about 40 cm long; rachillae to about 10 cm long. Staminate flowers yellow-white, with strong musty scent; calyx cupule 2 - 3 mm high; petals 3 (rarely 4), 8 x 3.5 mm; stamens 6 (rarely 7). Pistillate inflorescences erect arching slightly with fruit maturity; prophyll to 50 x 6 cm; peduncle elongating on fruit set, to about 70 cm; rachillae to about 80 in number, elongating on fruit set, to about 50 cm long. Pistillate flowers yellow-white, with 3-lobed calyx cupule 2 - 2.5 mm high; petals 3 (rarely 4), 2 x 3 mm. Fruit oblong, about 15 x 10 mm, green-yellow to brown, with sparse, mealy, sweet mesocarp. Seed with rounded apices, 11 - 13 x 6 - 7 mm
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