Stems clustered, to 4 m tall, ca. 1.5 cm in diam., reddish brown. Leaves pinnate, rarely undivided; sheaths closed and forming crownshafts, 21-34 cm, green with reddish brown scales; petioles 9-13 cm; rachis 40-60 cm; pinnae (1-)3-8 per side of rachis, green abaxially, sigmoid, regularly arranged, distantly spaced; middle pinnae to 55 × 3-10 cm. Inflorescences spicate, pendulous; peduncles 1.4-4 × 0.5-0.6 cm; rachis absent; rachilla 1, 12-17 cm, straight, triangular in cross section, glabrous; triads tristichously arranged, superficial on rachilla; male flowers to 8 mm, deciduous; sepals to 1 mm, connate at base into a 3-lobed cupule; petals to 8 mm, valvate; stamens ca. 35; female flowers to 2.5 mm; sepals to 2.5 mm, rounded at apex, ciliate; petals to 2.5 mm, ciliate. Fruits red, ellipsoid, to 1.8 × 1 cm.
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A slender palm. It grows 4 m tall. The stem is 1.5 cm across. The leaves have leaflets almost divided to the midrib. The male and female flowers are separate with a female flower between two male flowers. They are in clusters. The fruit is oval with a fibrous outer covering. The fruit are yellow when ripe. They are oval and 1.8 cm long by 1 cm wide.