Stems clustered, to 6 m tall, 1.5-3.5 cm in diam., reddish brown. Leaves pinnate; sheaths closed and forming crownshafts, 17-45 cm, green or yellowish with reddish scales; petioles 10-25 cm; rachis 1-1.3 m; pinnae 10-28 per side of rachis, green abaxially, linear, distantly spaced, regularly arranged; middle pinnae 39-60 x 2-5 cm. Inflorescences branched, pendulous, occasionally erect; peduncles 2.5-6 x ca. 0.7 cm; rachis 0.5-2.5 cm; rachillae 3-8, 9-26 cm, zigzag, triangular in cross section, glabrous; triads distichously arranged, superficial on rachillae; male flowers not seen; female flowers to 3 mm; sepals to 3 mm, rounded at apex, ciliate; petals to 3 mm, ciliate. Fruits red, ellipsoid, 1.4-1.8 x 0.5-0.7 cm.
へのネイティブ, China, Cambodia, India, Laos, Myanmar, Thailand
Lowland or montane rain forest, 100-1750 m elevation. Possibly also occurs in Vietnam.