Tall, slender, 8 m. or more, not soboliferous or definitely colonized; trunk 4 cm. thick, lacking definite rings, armed with scattered brownish-black spines 1-5 cm. long: leaves 3 m. long, irregularly pinnate, some of the pinnae clustered and others widely spaced; petiole 1 m. or more long, deeply channelled on upper face, pubescent, beset throughout its length with slender spreading brown-black spines 1-5 cm. long; pinnae 25 or more pairs, to 1 m. long, 3-5 cm. broad, glabrous, dull in color, midrib very prominent and side-ribs strong so that the pinna has a ridged look, rather strongly cross-veined, margins usually setulose on upper part, apex a very slender tail-like extension: cymba or spathe 25 cm. long, densely brown-acicular, usually falling before fruit matures: fruit in a close short cluster, globular to obovoid or short-pyriform, 2-2.5 cm. long and 1.5 cm. thick, obtuse and beakless at apex, glabrous, attractive deep orange; nutlet about. 12-15 mm. across and a little less in height; cupule shallow and small, with lightly crenate margins.
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