Monographs Details: Diplasia karataefolia Rich.
Authority: Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
Description:Species Description - Robust perennials, rhizomatous; stems erect (0.6)1-3 m tall. Leaves basal or cauline, coriaceous; sheath 3-14 cm long; blade linear, 75-200 X 2-3.8 cm, 1-veined, V-shaped in transverse section. Inflorescences corymbose, open, the rays subtended by leaf-like bracts and terminating in a raceme of 2-4 spikes or, in place of the basal spikes, branching again; spikes compound, cylindrical to ellipsoid, 1.5-5 cm long, the outer (visible) scales coriaceous, imbricate, keeled, each subtending a spikelet; spikelets comprising 4 scales, the basal pair puberulent-keeled, opposite, the distal pair (sometimes connate) subtending as many as 8 stamens, the pistillate flower terminal, the stigmas 2. Fruits achene-like, lenticular, circular in outline, 5.4-7.3 X 4.4-5 mm, indurate, reddish brown to dark brown, exserted from subtending scale when mature.

Distribution and Ecology - Fr (Mar, Apr, Aug, Nov); forest, often in damp areas or near streams.