Monographs Details:
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.
Family:

Eriocaulaceae
Scientific Name:

Tonina fluviatilis Aubl.
Description:

Species Description - Annual herb, with elongate stems. Leaves scattered along stem, sessile, with parallel, equal veins, 10-18 X 2-3 mm. Inflorescences becoming "spiny" as fruits develop. Female flowers 3 mm long, the male flowers smaller. Seeds with distinct, longitudinal ridges. Fl (Jan); aquatic, in moist areas next to streams, or in weedy areas.

Distribution and Ecology - Fl (Jan); aquatic, in moist areas next to streams, or in weedy areas.