Plants 1--1.2 m tall. Leaf sheath green, longitudinally striate, glabrous; ligule entire, 5--7 mm, densely brownish pubescent; petiole absent to 2.5 cm, densely brownish pubescent; leaf blade adaxially dark green, abaxially green, ovate-lanceolate, elliptic, or narrowly elliptic, 33--50 × 7--11 cm, abaxially densely brownish pubescent, adaxially glabrous except pubescent along veins, base obliquely cuneate or attenuate, apex caudate. Flowers unknown. Fruiting spikes subcapitate, ca. 4 × 5.5 cm; peduncle 3--4 cm, scalelike sheaths densely pubescent. Capsule subglobose, ca. 2.1 cm in diam., with 3 longitudinal grooves, densely pubescent, apex with persistent calyx; pedicel 8--11 mm. Seeds conical, ca. 4 mm, 3-angled; aril white. Fr. Aug.
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