Trunk to 22 m tall, to 30 cm diam. Leaves 8–11, to 5 m long, becoming obliquely orientated; leaf sheath mid-green. Pinnae c. 85 each side of rachis, to 90 cm long, dark green adaxially, silver-grey abaxially; ramenta lacking. Inflorescence to 140 cm long, branched to 4 orders; axes cream-green; rachillae to 40 cm long, erect to semi-pendulous, moderately flexuose distally. Flowers widely spaced on rachilla; floral bracts rounded and low; perianth white to cream. Staminate flower to 8 mm long; stamens 11–16; filaments curved; pistillode about equal to petals. Pistillate flower to 7 mm high. Fruit subglobose to ovoid, 11–15 mm long, 7–12 mm wide; stigmatic remains apical; mesocarp fibres to 1 mm wide, flat, sparingly branched, remaining compact in the dried state. Seed globose, 6 mm diam.; raphe fibres deeply embedded and strongly adherent.
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