Description

Key Characters:

Growth Form: Tree to 20 m tall.

Stems: Stems solitary, 40–60 cm in diam.

Roots: Roots fibrous.

Leaves: Leaves appearing pinnately compound due to secondary splitting of the blade. Rachis to 5 m; pinnae to 150 per side of rachis, linear, with ears at bases, irregularly arranged and spreading in different planes; middle pinnae 120-160 cm, 5-9 cm wide at mid-point. Leaflet apices jagged. Leaflet bases with an ear-shaped projection overlapping rachis. Petioles usually covered with distinctive scales 1.5 m long. Stipules absent.

Flowers: Inflorescences to 2.5 m; male rachillae 40-50, to 40 cm. Male flowers 12-15 mm; sepals ca. 5 mm; petals ca. 12 mm; stamens 60-120. Female rachillae 40-50, ca. 30 cm; female flowers 10 mm; sepals ca. 2 mm; petals ca. 4 mm.

Fruit: Fruits greenish; yellowish; or orangish; globose to ovoid; to 7 × 6 cm.

Ploidy:

Habitat:

Elevation Range: