Erect, 2 m. tall: leaves uniformly pinnate, blade 60-70 cm. long, glabrous, firm in texture, more or less glossy; petiole about 30-35 cm. long above narrow sheath, ridged and striate, 5-7 mm. broad; pinnae alternate or subopposite, about 9 pairs, equally spaced and not more than 3 or 4 cm. apart, terminal pair con-fluent, 25-30 cm. long, 3-6 cm. broad, narrow4lanceolate and not sigmoid, some-what narrowed to base, acutely acuminate to caudate, prominently about 9-ribbed, main ribs 4-7 mm. apart, light-colored and pronounced on under surface, nearly confluent at base: spadix a single simple very dense spike about 8 cm. long at anthesis, on a peduncle 24 cm. long and which is completely contained in about 4 loose sheaths of which the uppermost is projected 3-4 cm. with an acuminate herbaceous end; pistillate flowers in 8 rows, bright yellow, so closely placed as to appear to be immersed in the rachis; calyx a shallow more or less undulate but not lobed cup in which loosely sit the 3 introrse petals inclosing the conic more or less 3-lobed ovary on which the 3 spreading or reflexed prominent stigmas are sessile; staminate spadix and fruit not seen.
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