Rhizomes markedly elongating. Pseudostems dull yellow-green, purple when old, 5--7 m, often with withered leaves. Petiole 50--60 cm, margin closed at middle of petiole but gradually opening basally and apically, submembranous; leaf blade adaxially green, abaxially pale green and not pruinose, ovate-oblong, 2.4--3.1 m × 70--90 cm, base rounded, subsymmetric, apex truncate. Inflorescence subpendulous, velvety. Bracts of male flowers adaxially yellow but basally nearly white, abaxially dark reddish purple and often variegated with longitudinal, yellow stripes and with yellow margin. Flowers 12--16 per bract, in 2 rows. Outer 2 lobes of compound tepal with hooklike appendages; free tepal ca. 1/3 as long as compound tepal, apex minutely apiculate. Infructescence with 5--10 clusters of berries. Berries 15--18 per cluster, ovoid-cylindric, 12--14 × 3--3.5 cm, white velvety, base gradually narrowed into a stalk ca. 3 cm, apex rostrate. Seeds numerous, depressed, ca. 3 × 5--7 mm, irregularly angled, tuberculate. 2 n = 22.
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A banana herb. The false stem is dull yellow-green and turns purple when old. It grows 5-7 m tall. The leaf stalk is 50-60 cm long and it closes in the middle. The leaves are pale green underneath. They are 2.4-3.1 m long and 70-90 cm wide. The flowering shoots hang down and are velvety. The bracts of the male flowers are yellow on the inner side and dark reddish purple on the outside. The fruiting body is a 5-10 clusters of berries. There are 15-18 berries in a cluster and these are 12-14 cm long by 3-3.5 cm wide. There are many seeds.